CN112964517A - Automatic sampling and detecting device for volatile organic compounds in air - Google Patents
Automatic sampling and detecting device for volatile organic compounds in air Download PDFInfo
- Publication number
- CN112964517A CN112964517A CN202110285955.6A CN202110285955A CN112964517A CN 112964517 A CN112964517 A CN 112964517A CN 202110285955 A CN202110285955 A CN 202110285955A CN 112964517 A CN112964517 A CN 112964517A
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- fixedly connected
- air
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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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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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
-
- 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
-
- 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
- G01N2001/2279—Atmospheric sampling high altitude, e.g. rockets, balloons
Abstract
The invention relates to the technical field of atmospheric environment monitoring, in particular to an automatic sampling and detecting device for volatile organic compounds in air, which comprises a supporting table, wherein the top of the supporting table is fixedly connected with a shell, the inner side of the shell is provided with a detecting mechanism, the detecting mechanism is connected with an air inlet mechanism arranged on the inner side of the shell, the outer side of the shell is provided with a driving mechanism, and the bottom of the supporting table is provided with a supporting mechanism. Not only promoted the detection range of device, adjusted moreover more easily.
Description
Technical Field
The invention relates to the technical field of atmospheric environment monitoring, in particular to an automatic sampling and detecting device for volatile organic compounds in air.
Background
The sampling device of the volatile organic compounds in the ambient air is a special sampling device which is developed aiming at sampling the volatile organic compounds in the ambient air, workplaces and industrial production organized emission, and can be used for sampling various organic compounds in the ambient air, such as TVOCs, benzene, toluene, xylene and the like.
Volatile organic compounds detects is an important index of environmental protection monitoring in the air, adopt portable detecting instrument direct survey in open air often, because the impurity of suspension blocks up the detection mouth of instrument easily in the air, consequently, it is necessary prefilter atmospheric impurity, but can not filter wherein wait to detect the thing, then can realize through choosing for use sparsely macropore filter screen, but present detection device can not carry out timely clearance to the filter screen, lead to the device operation detection accuracy after a period of time will descend, consequently, to above current situation, urgent need develop a volatile organic compounds automatic sampling detection device in the air, in order to overcome not enough in the current practical application.
Disclosure of Invention
The invention aims to provide an automatic sampling and detecting device for volatile organic compounds in air, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic sampling detection device of volatile organic compounds in air, includes a supporting bench, a supporting bench top fixed connection is provided with the casing, the casing inboard is provided with detection mechanism, detection mechanism is connected with the mechanism of admitting air that sets up at the casing inboard, the casing outside is provided with actuating mechanism, a supporting bench bottom is provided with supporting mechanism.
As a further scheme of the invention: the mechanism of admitting air includes that fixed connection sets up the inlet box in the casing inboard, the equal fixed connection in inlet box both sides top is provided with the intake pipe, the intake pipe other end is connected with the casing, the inlet box inboard is provided with filtering mechanism, inlet box bottom fixed connection is provided with the connecting box, the connecting box inboard is provided with the clearance mechanism that is used for clean filtering mechanism, the connecting box output is connected with detection mechanism.
As a further scheme of the invention: the filter mechanism comprises partition plates fixedly connected with the inner sides of the two ends of the air inlet box, filter frames fixedly connected with the air inlet box are obliquely arranged on the tops of the partition plates on the two sides, the other ends of the filter frames are fixedly connected with the other end of the filter frame, and a dust collecting box is clamped between one side, away from the filter frame, of the partition plate and the air inlet box.
As a further scheme of the invention: clearance mechanism is including rotating the connecting setting at the inboard bull stick in connecting box both ends, the equal fixed connection in the bull stick both ends outside is provided with drive gear, drive gear is connected with the control mechanism who sets up at the casing inboard, both sides the drive gear outside all is provided with the dead lever with bull stick fixed connection, dead lever other end outside sliding connection is provided with clean piece, fixed connection is provided with first spring between clean piece and the dead lever, clean piece is close to filter frame one side fixed connection and is provided with the brush.
As a further scheme of the invention: the control mechanism comprises a control box which is arranged at the bottom of the inner side of the shell in a bolted connection mode, a motor is arranged at the bottom of the inner side of the control box in a bolted connection mode, transmission rods which are connected with the control box in a rotating mode are arranged on two sides of the motor, the transmission rods are connected with the output end of the motor in a meshed mode through bevel gears, a cam is fixedly connected to the outer side of the other end of each transmission rod, two sides of each cam are respectively abutted to sliding plates which are connected with the control box in a sliding mode, positioning rods are arranged at the tops of two ends of each sliding plate in a fixed connection mode, movable rods which are fixedly connected with the control box are arranged on the inner sides of the positioning rods in a sliding mode.
As a further scheme of the invention: the detection mechanism comprises detectors fixedly connected and arranged at the bottoms of the two ends of the inner side of the shell, air pumps are arranged on the tops of the detectors in a bolted connection mode, the output ends of the air pumps are connected with the detectors, and the input ends of the air pumps are connected with the connecting box through air guide tubes.
As a further scheme of the invention: the driving mechanism comprises a plurality of propellers arranged on the outer side of the shell, the propellers are rotatably connected with the supporting table and driven by a driving motor, and a protective cover fixedly connected with the shell is arranged on the outer side of each propeller.
As a further scheme of the invention: the supporting mechanism comprises two bottom plates, supporting rods which are connected with a supporting table in a sliding manner are fixedly connected and arranged at the tops of the front end and the rear end of each of the two bottom plates, a limiting rod which is connected with the supporting table in a sliding manner is arranged at the inner side of each supporting rod in a sliding manner, a second spring is fixedly connected and arranged between the bottom end of each limiting rod and each supporting rod, a limiting block is fixedly connected and arranged at the outer side of the supporting rod, which is positioned at the inner side of the supporting table, baffles are fixedly connected and arranged at the two ends of the inner side of the supporting table, wedges are arranged at the sides of the baffles, which are close to the limiting blocks, in a sliding manner, a third spring is fixedly connected and arranged between each wedge and the corresponding baffle, a plurality of guide rods are fixedly connected and arranged between, the supporting table is characterized in that a buffer block is fixedly connected to the bottom of the inner side of the supporting table, a cavity containing damping liquid is arranged on the inner side of the buffer block, a buffer plate is arranged on the inner side of the cavity in a sliding connection mode, a push block which is connected with the buffer block in a sliding mode is fixedly connected to the top of the buffer plate, and a plurality of fifth springs are fixedly connected between the bottom end of the buffer plate and the buffer block.
Compared with the prior art, the invention has the beneficial effects that:
1. the filter mechanism is arranged, so that large-particle impurities in the air can be filtered, accurate detection of an object to be detected in the air is realized, and the accuracy of a detection result is ensured;
2. by arranging the propeller, the device can fly, the detection range of the device is enlarged, and the adjustment is easier;
3. through setting up supporting mechanism, utilize second spring and fourth spring to realize preliminary shock attenuation, utilize third spring and damping fluid to carry out further absorption to the impact force that the device received at the in-process that rises and falls, do benefit to the life of extension equipment.
Drawings
Fig. 1 is a schematic structural diagram of an automatic sampling and detecting device for volatile organic compounds in air.
Fig. 2 is a top view of a support table in the automatic sampling and detecting device for volatile organic compounds in air.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a schematic structural diagram of a cleaning brush in an automatic sampling and detecting device for volatile organic compounds in air.
In the figure: 1-supporting table, 2-shell, 3-camera, 4-air inlet box, 5-clapboard, 6-filter frame, 7-dust-collecting box, 8-connecting box, 9-rotating rod, 10-fixing rod, 11-first spring, 12-air duct, 13-air pump, 14-detector, 15-control box, 16-propeller, 17-protective cover, 18-bottom plate, 19-supporting rod, 20-limiting rod, 21-second spring, 22-limiting block, 23-connecting rod, 24-baffle, 25-wedge block, 26-third spring, 27-guiding rod, 28-sliding block, 29-buffer block, 30-fourth spring, 31-pushing block, 32-motor, 33-driving rod, 34-cam, 35-sliding plate, 36-push rod, 37-positioning rod, 38-movable rod, 39-cleaning block, 40-brush and 41-transmission gear.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, an automatic sampling and detecting device for volatile organic compounds in air includes a supporting table 1, a casing 2 is fixedly connected to the top of the supporting table 1, a detecting mechanism is disposed inside the casing 2, the detecting mechanism is connected to an air intake mechanism disposed inside the casing 2, a driving mechanism is disposed outside the casing 2, and a supporting mechanism is disposed at the bottom of the supporting table 1.
Example 2
In this embodiment, air inlet mechanism includes that fixed connection sets up air inlet box 4 in 2 inboards of casing, the equal fixed connection in 4 both sides tops of air inlet box is provided with the intake pipe, the intake pipe other end is connected with casing 2, 4 inboards of air inlet box are provided with filtering mechanism, 4 bottom fixed connection of air inlet box are provided with connecting box 8, 8 inboards of connecting box are provided with the clearance mechanism that is used for clean filtering mechanism, 8 output of connecting box are connected with detection mechanism.
In this embodiment, filtering mechanism includes that fixed connection sets up the baffle 5 at intake box 4 both ends inboard, both sides 5 top all slopes to be provided with intake box 4 fixed connection's filter frame 6, both sides 6 other end fixed connection of filter frame, the joint is provided with dust-collecting box 7 between filter frame 6 one side and the intake box 4 is kept away from to baffle 5, through setting up filtering mechanism, can filter the large granule impurity in the air to wait to detect the thing realization accuracy and detect in the air, guarantee the accuracy of testing result.
In this embodiment, clearance mechanism connects the bull stick 9 that sets up at connecting box 8 both ends inboard including rotating, the equal fixed connection in the bull stick 9 both ends outside is provided with drive gear 41, drive gear 41 is connected with the control mechanism who sets up at casing 2 inboards, both sides the drive gear 41 outside all is provided with the dead lever 10 with bull stick 9 fixed connection, dead lever 10 other end outside sliding connection is provided with cleaning block 39, fixed connection is provided with first spring 11 between cleaning block 39 and the dead lever 10, cleaning block 39 is close to filter frame 6 one side fixed connection and is provided with brush 40.
In this embodiment, the control mechanism includes a control box 15 disposed at the bottom of the inner side of the housing 2, a motor 32 is disposed at the bottom of the inner side of the control box 15, transmission rods 33 rotatably connected to the control box 15 are disposed at both sides of the motor 32, the transmission rods 33 are engaged with the output end of the motor 32 through bevel gears, a cam 34 is fixedly connected to the outer side of the other end of the transmission rod 33, a sliding plate 35 slidably connected to the control box 15 is abutted to the outer side of the cam 34 at both sides, positioning rods 37 are fixedly connected to the tops of both ends of the sliding plate 35, a movable rod 38 fixedly connected to the control box 15 is slidably connected to the inner side of the positioning rod 37, a push rod 36 fixedly connected to the sliding plate 35 is disposed between the positioning rods 37 at both sides, a rack engaged with a transmission gear 41 is fixedly connected to both, through setting up clearance mechanism, utilize motor 32 to drive both sides cam 34 and rotate, cam 34 and slide 35 effect can make push rod 36 carry out up-and-down repetitive motion, and the rack that sets up on push rod 36 and the effect of drive gear 41 that sets up on bull stick 9 can make cleaning block 39 carry out the back and forth oscillation around bull stick 9, and the brush 40 that sets up on cleaning block 39 accomplishes the clearance to straining frame 6 at the swing in-process, makes the device can run for a long time.
In this embodiment, detection mechanism includes that fixed connection sets up the detector 14 in 2 inboard both ends bottoms of casing, 14 top bolted connection of detector is provided with air pump 13, the output of air pump 13 is connected with detector 14, the input of air pump 13 passes through air duct 12 and is connected with connecting box 8.
In this embodiment, actuating mechanism includes a plurality of screw 16 of setting in the casing 2 outside, screw 16 rotates with a supporting bench 1 and is connected, screw 16 passes through driving motor drive, the screw 16 outside be provided with casing 2 fixed connection's protection casing 17, through setting up screw 16, make the device can realize flying, not only promoted the detection range of device, adjust moreover more easily.
In this embodiment, the supporting mechanism includes two bottom plates 18, a supporting rod 19 slidably connected to the supporting table 1 is fixedly connected to the top of the front and rear ends of the two bottom plates 18, a limiting rod 20 fixedly connected to the supporting table 1 is slidably connected to the inner side of the supporting rod 19, a second spring 21 is fixedly connected between the bottom of the limiting rod 20 and the supporting rod 19, a limiting block 22 is fixedly connected to the outer side of the supporting rod 19 located inside the supporting table 1, baffles 24 are fixedly connected to the inner ends of the supporting table 1, wedges 25 are slidably connected to the sides of the baffles 24 close to the limiting block 22, third springs 26 are fixedly connected between the wedges 25 and the baffles 24, a plurality of guide rods 27 are fixedly connected to the baffles 24, and sliders 28 are slidably connected to the outer sides of the two ends of the guide rods 27, fixed connection is provided with fourth spring 30 between slider 28 and the baffle 24, the articulated connecting rod 23 that is provided with between slider 28 and the stopper 22, the inboard bottom fixed connection of brace table 1 is provided with buffer block 29, buffer block 29 inboard is provided with the cavity that contains damping fluid, the inboard sliding connection of cavity is provided with the buffer board, buffer board top fixed connection is provided with the ejector pad 31 with buffer block sliding connection, fixed connection is provided with a plurality of fifth springs between buffer board bottom and the buffer block, through setting up supporting mechanism, utilizes second spring 21 and fourth spring 30 to realize preliminary shock attenuation, utilizes third spring 26 and damping fluid to carry out further absorption to the impact force that the device received at the in-process that rises and falls, does benefit to the life of extension equipment.
In this embodiment, 2 top fixed connection of casing is provided with camera 3, through setting up camera 3, makes things convenient for people to know the device surrounding environment condition in real time, guarantees the security of device.
The working principle of the invention is as follows: the large-particle impurities in the air can be filtered by arranging the filtering mechanism, so that the object to be detected in the air can be accurately detected, the accuracy of a detection result is ensured, the motor 32 is utilized to drive the cams 34 at two sides to rotate, the cams 34 and the sliding plate 35 can enable the push rod 36 to move up and down repeatedly, the rack arranged on the push rod 36 and the transmission gear 41 arranged on the rotating rod 9 can enable the cleaning block 39 to swing back and forth around the rotating rod 9, the hairbrush 40 arranged on the cleaning block 39 finishes the cleaning of the filter frame 6 in the swinging process, the device can run for a long time, the device can fly by arranging the propeller 16, the detection range of the device is improved, the adjustment is easier, the supporting mechanism is arranged, the second spring 21 and the fourth spring 30 are utilized to realize preliminary shock absorption, and the third spring 26 and the damping liquid can further absorb the impact force applied to the device in the rising and falling process, the service life of the equipment is prolonged.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (8)
1. The utility model provides an automatic sampling detection device of volatile organic compounds in air, includes brace table (1), its characterized in that, brace table (1) top fixed connection is provided with casing (2), casing (2) inboard is provided with detection mechanism, detection mechanism is connected with the mechanism of admitting air that sets up in casing (2) inboard, the casing (2) outside is provided with actuating mechanism, brace table (1) bottom is provided with supporting mechanism.
2. The automatic sampling and detecting device for the volatile organic compounds in the air according to claim 1, wherein the air inlet mechanism comprises an air inlet box (4) fixedly connected and arranged on the inner side of the shell (2), the top ends of the two sides of the air inlet box (4) are fixedly connected and provided with air inlet pipes, the other end of each air inlet pipe is connected with the shell (2), the inner side of the air inlet box (4) is provided with a filtering mechanism, the bottom of the air inlet box (4) is fixedly connected and provided with a connecting box (8), the inner side of the connecting box (8) is provided with a cleaning mechanism for cleaning the filtering mechanism, and the output end of the connecting box (8) is connected with the detecting mechanism.
3. The automatic sampling and detecting device for the volatile organic compounds in the air according to claim 2, wherein the filtering mechanism comprises a partition plate (5) fixedly connected and arranged at the inner side of two ends of the air inlet box (4), the top of the partition plate (5) at two sides is obliquely provided with a filter frame (6) fixedly connected with the air inlet box (4), the other end of the filter frame (6) at two sides is fixedly connected, and a dust collecting box (7) is clamped between one side of the partition plate (5) far away from the filter frame (6) and the air inlet box (4).
4. The automatic sampling and detecting device for the volatile organic compounds in the air according to claim 3, wherein the cleaning mechanism comprises a rotating rod (9) rotatably connected and arranged at the inner side of two ends of the connecting box (8), both outer sides of two ends of the rotating rod (9) are fixedly connected with a transmission gear (41), the transmission gear (41) is connected with a control mechanism arranged at the inner side of the shell (2), both outer sides of the transmission gear (41) are respectively provided with a fixing rod (10) fixedly connected with the rotating rod (9), the outer side of the other end of the fixing rod (10) is slidably connected with a cleaning block (39), a first spring (11) is fixedly connected between the cleaning block (39) and the fixing rod (10), and a brush (40) is fixedly connected to one side of the cleaning block (39) close to the filter frame (6).
5. The automatic sampling and detecting device for volatile organic compounds in air according to claim 4, wherein the control mechanism comprises a control box (15) which is connected and arranged at the bottom of the inner side of the housing (2) through a bolt, a motor (32) is connected and arranged at the bottom of the inner side of the control box (15) through a bolt, transmission rods (33) which are rotatably connected with the control box (15) are arranged at both sides of the motor (32), the transmission rods (33) are connected and meshed with the output end of the motor (32) through bevel gears, a cam (34) is fixedly connected and arranged at the outer side of the other end of the transmission rod (33), sliding plates (35) which are slidably connected with the control box (15) are arranged at both sides of the cam (34) in an abutting joint manner, positioning rods (37) are fixedly connected and arranged at the tops of both ends of the sliding plates (35), and movable rods (38) which are fixedly connected, push rods (36) fixedly connected with the sliding plates (35) are arranged between the positioning rods (37) on the two sides, and racks meshed with the transmission gears (41) are fixedly connected to the two sides of each push rod (36).
6. The automatic sampling and detecting device for the volatile organic compounds in the air according to claim 5, wherein the detecting mechanism comprises detectors (14) fixedly connected and arranged at the bottoms of the two ends of the inner side of the shell (2), an air pump (13) is arranged at the top of each detector (14) in a bolted connection mode, the output end of the air pump (13) is connected with the detectors (14), and the input end of the air pump (13) is connected with the connecting box (8) through an air duct (12).
7. The automatic sampling and detecting device for the volatile organic compounds in the air according to claim 1, characterized in that the driving mechanism comprises a plurality of propellers (16) arranged outside the housing (2), the propellers (16) are rotatably connected with the support platform (1), the propellers (16) are driven by a driving motor, and a protective cover (17) fixedly connected with the housing (2) is arranged outside the propellers (16).
8. The automatic sampling and detecting device for volatile organic compounds in air according to claim 3, wherein the supporting mechanism comprises two bottom plates (18), the top parts of the front and rear ends of the two bottom plates (18) are fixedly connected with supporting rods (19) slidably connected with the supporting table (1), the inner side of each supporting rod (19) is slidably connected with a limiting rod (20) fixedly connected with the supporting table (1), a second spring (21) is fixedly connected between the bottom end of each limiting rod (20) and the corresponding supporting rod (19), the supporting rod (19) is fixedly connected with a limiting block (22) outside the inner side part of the supporting table (1), the two inner ends of the supporting table (1) are fixedly connected with a baffle (24), and the baffle (24) on one side close to the limiting block (22) is slidably connected with a wedge block (25), a third spring (26) is fixedly connected between the wedge-shaped block (25) and the baffle plate (24), a plurality of guide rods (27) are fixedly connected between the baffle plates (24) at two sides, the outer sides of the two ends of the guide rod (27) are both provided with a sliding block (28) in a sliding connection mode, a fourth spring (30) is fixedly connected between the sliding block (28) and the baffle plate (24), a connecting rod (23) is hinged between the sliding block (28) and the limiting block (22), the bottom of the inner side of the supporting platform (1) is fixedly connected with a buffer block (29), a cavity containing damping fluid is arranged at the inner side of the buffer block (29), a buffer plate is arranged at the inner side of the cavity in a sliding connection manner, buffer board top fixed connection is provided with ejector pad (31) with buffer block sliding connection, fixed connection is provided with a plurality of fifth springs between buffer board bottom and the buffer block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110285955.6A CN112964517B (en) | 2021-03-17 | 2021-03-17 | Automatic sampling and detecting device for volatile organic compounds in air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110285955.6A CN112964517B (en) | 2021-03-17 | 2021-03-17 | Automatic sampling and detecting device for volatile organic compounds in air |
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| CN112964517A true CN112964517A (en) | 2021-06-15 |
| CN112964517B CN112964517B (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116481865A (en) * | 2023-04-23 | 2023-07-25 | 江苏安琪尔检测科技有限公司 | Automatic sampling and detecting device and method for volatile organic compounds in air |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116481865A (en) * | 2023-04-23 | 2023-07-25 | 江苏安琪尔检测科技有限公司 | Automatic sampling and detecting device and method for volatile organic compounds in air |
| CN116481865B (en) * | 2023-04-23 | 2024-01-30 | 江苏安琪尔检测科技有限公司 | Automatic sampling and detecting device and method for volatile organic compounds in air |
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|---|---|
| CN112964517B (en) | 2021-11-19 |
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