CN116878978B - Multilayer atmosphere detection device based on air velocity - Google Patents
Multilayer atmosphere detection device based on air velocity Download PDFInfo
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- CN116878978B CN116878978B CN202311135959.1A CN202311135959A CN116878978B CN 116878978 B CN116878978 B CN 116878978B CN 202311135959 A CN202311135959 A CN 202311135959A CN 116878978 B CN116878978 B CN 116878978B
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 238000005070 sampling Methods 0.000 claims abstract description 138
- 230000007704 transition Effects 0.000 claims abstract description 46
- 238000001179 sorption measurement Methods 0.000 claims description 26
- 239000001307 helium Substances 0.000 claims description 11
- 229910052734 helium Inorganic materials 0.000 claims description 11
- 238000011084 recovery Methods 0.000 claims description 11
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 37
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 18
- 238000000926 separation method Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 43
- 239000007789 gas Substances 0.000 description 30
- 238000012546 transfer Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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Abstract
The invention discloses a multilayer atmosphere detection device based on air flow velocity, which relates to the technical field of atmosphere detection and comprises an acquisition component, a connection component, a transition component, a detection component and a main frame, wherein the acquisition component is connected with the connection component, the transition component and the detection component are arranged on the main frame, the main frame is fixedly connected with the ground, the connection component is arranged on one side of the transition component, and the detection component is arranged on one side of the transition component far away from the connection component. According to the sampling unit, the unidirectional clamping groove does not play a limiting role on the input side and plays a limiting role on the output side through the change of the outer side direction in the annular movement process of the moving block, and the arrangement enables the blocking piece to smoothly complete the circular movement along the sampling channel under the action of external air flow so as to realize the separation and sampling of gas at the same flow rate, and the accuracy of subsequent detection is greatly improved.
Description
Technical Field
The invention relates to the technical field of atmosphere detection, in particular to a multilayer atmosphere detection device based on air flow velocity.
Background
The exhaust gas discharged from the factory area usually treats toxic and harmful substances, but the dust concentration in the surrounding atmosphere is increased, and the surrounding environment is greatly influenced. In order to detect the intensity of the effect of the contaminants, it is necessary to detect the dust content mixed in the air at different flow rate layers. However, the existing detection equipment for multi-layer atmosphere has many defects and cannot meet the use requirements.
The conventional atmosphere detection device is separated for extraction and detection, so that the detection process becomes more complicated, and the detection result is not beneficial to being obtained rapidly. On the other hand, for the air current sampling of same velocity of flow layer, conventional sampling equipment can't realize the segmentation equal sampling of self-triggering formula, and its sample power consumption is more, and the sample is single, and the testing result appears the error easily. To the detection of the inside dust content of sample gas, conventional check out test set can't realize the quick separation, the transportation of dust, and this condition leads to conventional multilayer atmosphere detection device's work efficiency low, and whole sample, transportation process energy consumption more.
Disclosure of Invention
The present invention is directed to a multi-layer air detection device based on air flow rate, so as to solve the above-mentioned problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a multilayer atmosphere detection device based on air velocity of flow, includes collection subassembly, coupling assembling, transition subassembly, detection subassembly, main frame, and collection subassembly links to each other with coupling assembling, and coupling assembling, transition subassembly, detection subassembly set up on the main frame, and main frame and ground fastening are connected, and coupling assembling sets up in transition subassembly one side, and detection subassembly sets up in the transition subassembly one side of keeping away from coupling assembling;
the acquisition assembly comprises a helium balloon, a mounting seat, a speed measuring unit and a sampling unit, wherein the helium balloon is fixedly connected with the mounting seat, the speed measuring unit, the sampling unit and the mounting seat are fixedly connected, the speed measuring unit is arranged at the bottom of the mounting seat, and the sampling unit is arranged inside the mounting seat. The helium balloon drives the mounting seat to fly, the speed measuring unit detects that the air flow rate triggers the sampling unit at a specified flow rate layer, the sampling unit collects gas, the connecting component pulls back the mounting seat, the transition component collects and transfers dust mixed in the gas at different flow rate layers, the dust is input into the detecting component, the multiple groups of samples are input in a multiple mode, the detecting component detects for multiple times, and data of the multiple detection are recorded. The helium balloon bottom is provided with the direction guide piece, one side of the thinner guide piece faces the input end of the sampling unit, so that the air flow can be ensured to always flow towards the input end of the sampling unit, and the mounting seat is internally provided with the energy supply battery for supplying energy for the sampling unit. According to the sampling unit, the unidirectional clamping groove does not play a limiting role on the input side and plays a limiting role on the output side through the change of the outer side direction in the annular movement process of the moving block, and the arrangement enables the blocking piece to smoothly complete the circular movement along the sampling channel under the action of external air flow so as to realize the separation and sampling of gas at the same flow rate, and the accuracy of subsequent detection is greatly improved. On the other hand, the blocking sheets are preset to be equidistant, and in the subsequent gas sampling process, the gas amounts of the sections can be automatically kept equal, so that the contrast accuracy is greatly improved.
Further, the unit that tests the speed includes the collecting vessel, feel piece, trigger point, set up the groove, the carriage release lever, reset spring, collecting vessel and mount pad bottom fastening connection, set up the groove setting on the collecting vessel inside wall, trigger point sets up inside the setting groove, trigger point and sampling unit intercommunication, feel piece and setting groove sliding connection, carriage release lever and feel piece fastening connection are provided with the fixed plate on the collecting vessel side wall, carriage release lever and fixed plate fastening connection, reset spring cover is on the carriage release lever, reset spring one end and fixed plate fastening connection, the reset spring other end and feel piece fastening connection. The air flow enters the collecting barrel, blows the sensing piece, and the sensing piece pushes the moving rod to press the reset spring. The sensing piece generates different displacement according to different air flow speeds, and the sensing piece contacts different trigger points under different displacement, so that the sampling unit samples air with different flow speeds.
Further, the sampling unit is provided with the multilayer, multilayer sampling unit is along mount pad evenly distributed, the sampling unit includes the sampling board, the annular chamber, sampling channel, the movable block, the jam piece, drive part, sampling board and mount pad fastening connection, the annular chamber, sampling channel sets up inside the sampling board, sampling channel runs through sampling board both sides, the annular chamber passes from sampling channel both sides edge, the movable block is provided with a plurality of, a plurality of movable blocks head and tail articulates, the movable block is filled in the annular chamber, the movable block can slide along the annular chamber, the movable block adopts hard rubber material, be provided with one-way draw-in groove on the movable block, the jam piece sets up inside the one-way draw-in groove, jam piece diameter is the same with sampling channel diameter, drive part sets up in the annular chamber both sides. When the corresponding trigger point is touched, a driving part connected with the trigger point starts to operate, the driving moving block slides along the annular cavity, when a moving block carrying the blocking piece enters the input side of the sampling channel, the moving block carrying the blocking piece correspondingly leaves the output side of the sampling channel, a moving block not carrying the blocking piece enters the output side of the sampling channel, air flow in the air enters from the input side of the sampling channel, the blocking piece is pushed out from the one-way clamping groove, the blocking piece starts to slide along the sampling channel, and an inductor is arranged on the output side of the sampling channel and can detect whether the blocking piece is clamped in the moving block at the position. The sampling channel originally equidistant has set up the jam piece, along with newly getting into the jam piece and remove in the sampling channel, the jam piece of originally is moved to sampling channel output side under the atmospheric pressure promotes, has finally that a jam piece card is gone into in the movable block of sampling channel output side. According to the sampling unit, the unidirectional clamping groove does not play a limiting role on the input side and plays a limiting role on the output side through the change of the outer side direction in the annular movement process of the moving block, and the arrangement enables the blocking piece to smoothly complete the circular movement along the sampling channel under the action of external air flow so as to realize the separation and sampling of gas at the same flow rate, and the accuracy of subsequent detection is greatly improved. On the other hand, the blocking sheets are preset to be equidistant, and in the subsequent gas sampling process, the gas amounts of the sections can be automatically kept equal, so that the contrast accuracy is greatly improved.
Further, the driving part comprises a driving bin, a driving motor and driving wheels, the driving bin is arranged on two sides of the annular cavity, the driving motor is fixedly connected with the driving bin, the driving wheels are fixedly connected with output shafts of the driving motor, and the driving wheels are contacted with the moving block. The driving motor drives the driving wheel to rotate, friction is generated between the driving wheel and the moving block, and the moving block is pushed to slide along the annular cavity.
Further, coupling assembling includes haulage rope, undercarriage, wind-up roll, regulation and control motor, and undercarriage and main frame fastening connection, wind-up roll and undercarriage bottom rotate to be connected, regulation and control motor and undercarriage fastening connection, the output shaft and the wind-up roll fastening connection of regulation and control motor, haulage rope one end and wind-up roll fastening connection, haulage rope other end and mount pad fastening connection. The regulating motor drives the wind-up roll to rotate, the wind-up roll rotates to retract and release the traction rope, and the landing gear provides a landing platform for the mounting seat.
Further, transition subassembly includes, the transition case, the steering column, the platform slides, transition case and steering column fastening connection, steering column and platform fastening connection slides, platform and main frame are connected slide, transition incasement portion is provided with transport part, transport part is provided with the multiunit, transport part includes the adsorption leaf, guide chamber, the ejecting piece, the extension frame, first flexible jar, the flexible jar of second, guide chamber setting is inside the transition case, ejecting piece and guide chamber sliding connection, extension frame and ejecting piece fastening connection, first flexible jar and guide chamber fastening connection, the output shaft and the extension frame fastening connection of first flexible jar, the flexible jar of second and extension frame fastening connection, the output shaft and the adsorption leaf fastening connection of second flexible jar, adsorption leaf and ejecting piece sliding connection. After the sampling is finished, the sliding table drives the transition box to move, the steering rod drives the transition box to rotate, the guide cavity is attached to the sampling channel, the sliding table and the steering rod belong to conventional technical means in the field, and the specific structure of the sliding table and the steering rod is not described. At this time, the movable block moves upwards, the movable block which is not blocked with the blocking piece enters the sampling channel, the second telescopic cylinder drives the adsorption She Charu sampling channel, the adsorption leaves are communicated with the external electrode plates, charges are attached to the surfaces of the adsorption leaves, floating dust in the sampling channel is adsorbed and collected, at this time, the second telescopic cylinder and the first telescopic cylinder synchronously shrink, one end gas collected in the sampling channel is extracted, the blocking piece is blocked with the movable block, then the transition box moves back, the steering rod rotates, the guide cavity moves to a collecting pipe position, and the adsorption She Charu collecting pipe is arranged. The transition assembly provided by the invention realizes separation of dust in the detection gas, and automatic transfer of the separated dust, and the whole transfer process and the sampling unit are matched, so that the sampling unit can be restored to an unclamped state, and sampling is convenient again.
Further, the detection component comprises a detection box, a collecting pipe, an air pump, a closed box, a temporary storage block, an electronic scale, a discharge block, an automatic electric cylinder and a recovery pipe, wherein the detection box is in fastening connection with a main frame, the collecting pipe is in fastening connection with the detection box, the closed box is in fastening connection with the bottom of the inner wall of the detection box, the air pump is in fastening connection with the closed box, one end of the air pump is connected with the collecting pipe, the other end of the air pump is connected with the temporary storage block, a reverse folding hole is formed in the temporary storage block, the electronic scale is in fastening connection with the bottom of the inner wall of the closed box, the temporary storage block is arranged on the electronic scale, the automatic electric cylinder is in fastening connection with the inner wall of the closed box, an output shaft of the automatic electric cylinder is in fastening connection with the discharge block, the recovery pipe is connected with the bottom of the detection box, and the discharge block is communicated with the recovery pipe through a pipeline. The air pump sucks gas into the collecting pipe, the suction She Qiehuan is the intercommunication ground wire simultaneously, surface charge is led away, lose the adsorption capacity to the dust, the surface of collecting pipe is provided with the electrode slice, when the suction gas, the electrode slice circular telegram adsorbs the dust that the suction gas accompanies, avoid causing the influence to the detection result, the dust gets into temporary piece along with the air current, dust and reverse turn-over hole contact, reverse turn-over hole surface switch-on negative plate, keep admittedly the dust, automatic jar drive discharge piece removes, the delivery outlet of reverse turn-over hole is laminated to the discharge piece, guide the air current, the impurity input of different flow rate positions is different temporary pieces, weigh each group temporary piece in step, reverse turn-over hole conversion intercommunication ground wire after weighing, the input air current is clear away the dust again, carry out next group's test. According to the detection assembly, dust is transferred to each temporary storage block in an air flow carrying mode, so that the dust of each extraction part can be weighed quickly, the atmospheric detection efficiency is greatly improved, and on the other hand, the detected dust can be automatically removed by switching the retaining mode, so that the follow-up detection is convenient.
Further, the connecting assembly further comprises four guide plates, the four guide plates are arranged on the periphery of the upper side of the landing gear, and guide inclined planes are arranged on the upper sides of the guide plates. When the mounting seat descends, certain position deviation exists, but the position is required to be stable during gas transition, so that the guide plates are arranged on the landing gear to guide the descending mounting seat in position, and finally, the mounting seat is completely determined by the four guide plates.
Compared with the prior art, the invention has the following beneficial effects: according to the sampling unit, the unidirectional clamping groove does not play a limiting role on the input side and plays a limiting role on the output side through the change of the outer side direction in the annular movement process of the moving block, and the arrangement enables the blocking piece to smoothly complete the circular movement along the sampling channel under the action of external air flow so as to realize the separation and sampling of gas at the same flow rate, and the accuracy of subsequent detection is greatly improved. On the other hand, the blocking sheets are preset to be equidistant, and in the subsequent gas sampling process, the gas amounts of the sections can be automatically kept equal, so that the contrast accuracy is greatly improved. The transition assembly provided by the invention realizes separation of dust in the detection gas, and automatic transfer of the separated dust, and the whole transfer process and the sampling unit are matched, so that the sampling unit can be restored to an unclamped state, and sampling is convenient again. According to the detection assembly, dust is transferred to each temporary storage block in an air flow carrying mode, so that the dust of each extraction part can be weighed quickly, the atmospheric detection efficiency is greatly improved, and on the other hand, the detected dust can be automatically removed by switching the retaining mode, so that the follow-up detection is convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic of the overall result of the present invention;
FIG. 2 is a schematic illustration of an acquisition assembly of the present invention in an unobsampled state;
FIG. 3 is a schematic diagram of the overall result of the speed measurement unit of the present invention;
FIG. 4 is a cross-sectional view of a sampling unit of the present invention;
FIG. 5 is a schematic diagram of the operation of the sampling unit of the present invention;
FIG. 6 is a partial resulting cross-sectional view of the transition assembly of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a schematic diagram of the overall structure of the detection assembly of the present invention;
in the figure: 1-acquisition assembly, 11-helium balloon, 12-mount, 13-speed cell, 131-collection vessel, 132-feel tab, 133-trigger point, 134-set slot, 135-travel bar, 136-return spring, 14-sampling cell, 141-sampling plate, 142-annular cavity, 143-sampling channel, 144-travel block, 145-occlusion tab, 146-drive member, 1461-drive cartridge, 1462-drive motor, 1463-drive wheel, 2-connection assembly, 21-haulage rope, 22-landing gear, 23-wind-up roll, 24-regulated motor, 25-guide plate, 3-transition assembly, 31-transition box, 32-turn bar, 33-slip table, 34-adsorption blade, 35-guide cavity, 36-push-out block, 37-extension shelf, 38-first telescoping cylinder, 39-second telescoping cylinder, 4-detection assembly, 41-detection box, 42-collection tube, 43-air pump, 44-enclosure box, 45-electronics scale, 46-electronics scale, 47-drain block, 48-auto-electrical scale, main frame, 5-recovery cylinder.
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.
As shown in fig. 1 and 2, the multi-layer atmosphere detection device based on the air flow rate comprises an acquisition component 1, a connection component 2, a transition component 3, a detection component 4 and a main frame 5, wherein the acquisition component is connected with the connection component, the connection component 2, the transition component 3 and the detection component 4 are arranged on the main frame, the main frame is fixedly connected with the ground, the connection component is arranged on one side of the transition component, and the detection component is arranged on one side of the transition component far away from the connection component;
the acquisition assembly 1 comprises a helium balloon 11, a mounting seat 12, a speed measuring unit 13 and a sampling unit 14, wherein the helium balloon 11 is fixedly connected with the mounting seat 12, the speed measuring unit 13, the sampling unit 14 and the mounting seat 12 are fixedly connected, the speed measuring unit 13 is arranged at the bottom of the mounting seat 12, and the sampling unit 14 is arranged inside the mounting seat 12. Helium balloon 11 drives mount pad 12 to fly, and speed measuring unit 13 detects the air velocity of flow and triggers sampling unit 14 at prescribed velocity of flow layer, and sampling unit 14 collects gas, and coupling assembling 2 pulls back mount pad 12 again, and transition subassembly 3 is collected the dust that mixes in the gas in different velocity of flow layers and is shifted, and input detection subassembly 4, multiunit sample component input, and detection subassembly 4 detects many times to record the data of detecting many times. The helium balloon bottom is provided with the direction guide piece, one side of the thinner guide piece faces the input end of the sampling unit, so that the air flow can be ensured to always flow towards the input end of the sampling unit, and the mounting seat is internally provided with the energy supply battery for supplying energy for the sampling unit. The sampling unit 14 of the invention changes the outside direction in the annular movement process of the moving block 144, so that the one-way clamping groove does not play a limiting role on the input side and plays a limiting role on the output side, and the arrangement ensures that the blocking piece 145 can smoothly complete the circular movement along the sampling channel 143 under the action of external air flow, thereby realizing the separation and sampling of the air at the same flow rate and greatly improving the accuracy of the subsequent detection. On the other hand, the blocking pieces 145 of the present invention are preset to be equidistant, and in the subsequent gas sampling process, the gas amounts of the segments are automatically kept equal, so that the contrast accuracy is greatly improved.
As shown in fig. 3, the speed measuring unit 13 includes a collecting barrel 131, a sensing piece 132, a trigger point 133, a setting groove 134, a moving rod 135, a return spring 136, wherein the collecting barrel 131 is fixedly connected with the bottom of the mounting seat 12, the setting groove 134 is arranged on the inner side wall of the collecting barrel 131, the trigger point 133 is arranged inside the setting groove 134, the trigger point 133 is communicated with the sampling unit 14, the sensing piece 132 is slidably connected with the setting groove 134, the moving rod 135 is fixedly connected with the sensing piece 132, a fixed plate is arranged on the side wall of the collecting barrel 131, the moving rod 135 is fixedly connected with the fixed plate, the return spring 136 is sleeved on the moving rod 135, one end of the return spring 136 is fixedly connected with the fixed plate, and the other end of the return spring 136 is fixedly connected with the sensing piece 132. The air flow enters the collecting barrel 131, blows the sensing piece 132, and the sensing piece 132 pushes the moving rod 135 to press the return spring 136. The sensing piece 132 generates different displacement amounts according to different air flow speeds, and under the different displacement amounts, the sensing piece 132 contacts different trigger points 133, so that the sampling unit 14 samples air with different flow speeds.
As shown in fig. 4 and 5, the sampling unit 14 is provided with multiple layers, the multiple layers of sampling units 14 are uniformly distributed along the mounting seat 12, the sampling unit 14 comprises a sampling plate 141, an annular cavity 142, a sampling channel 143, a moving block 144, a blocking piece 145 and a driving component 146, the sampling plate 141 is fixedly connected with the mounting seat 12, the annular cavity 142 and the sampling channel 143 are arranged inside the sampling plate 141, the sampling channel 143 penetrates through two sides of the sampling plate 141, the annular cavity 142 penetrates through the edge positions of two sides of the sampling channel 143, the moving block 144 is provided with a plurality of moving blocks 144, the moving blocks 144 are hinged end to end, the moving blocks 144 are filled in the annular cavity 142, the moving blocks 144 can slide along the annular cavity 142, the moving blocks 144 are made of hard rubber materials, the blocking piece 145 is provided with a one-way clamping groove, the blocking piece 145 is arranged inside the one-way clamping groove, the diameter of the blocking piece 145 is identical with the diameter of the sampling channel 143, and the driving component 146 is arranged on two sides of the annular cavity 142. When the corresponding trigger point 133 is triggered, the driving part 146 connected with the trigger point is started to operate, the driving moving block 144 is driven to slide along the annular cavity 142, when the moving block 144 carrying the blocking piece 145 enters the input side of the sampling channel 143, the moving block 144 carrying the blocking piece 145 correspondingly leaves the output side of the sampling channel 143, the moving block 144 not carrying the blocking piece 145 enters the output side of the sampling channel 143, air flow enters from the input side of the sampling channel 143, the blocking piece 145 is pushed out from the one-way clamping groove, the blocking piece 145 starts to slide along the sampling channel 143, and an inductor is arranged on the output side of the sampling channel 143 and can detect whether the blocking piece 145 is clamped in the moving block 144. The sampling channels 143 are originally provided with the blocking pieces 145 at equal intervals, and as the newly entered blocking piece 145 moves in the sampling channels 143, the original blocking piece 145 moves to the output side of the sampling channels 143 under the pushing of air pressure, and finally, one blocking piece 145 is blocked into the moving block 144 on the output side of the sampling channels 143. According to the invention, the sampling unit 14 is enabled to have no limit function on the input side and a limit function on the output side through the change of the outer side direction in the annular movement process of the moving block 144, and the arrangement enables the blocking piece 145 to smoothly complete the circular movement along the sampling channel 143 under the action of external air flow, so that the separation sampling of the air at the same flow rate is realized, and the accuracy of the subsequent detection is greatly improved. On the other hand, the blocking pieces 145 of the present invention are preset to be equidistant, and in the subsequent gas sampling process, the gas amounts of the segments are automatically kept equal, so that the contrast accuracy is greatly improved.
As shown in fig. 4, the driving part 146 includes a driving compartment 1461, a driving motor 1462, and driving wheels 1463, the driving compartment 1461 is disposed at two sides of the annular cavity 142, the driving motor 1462 is fixedly connected to the driving compartment 1461, the driving wheels 1463 are fixedly connected to an output shaft of the driving motor 1462, and the driving wheels 1463 are in contact with the moving block 144. The driving motor 1462 drives the driving wheel 1463 to rotate, and friction is generated between the driving wheel 1463 and the moving block 144 to push the moving block 144 to slide along the annular cavity 142.
As shown in fig. 1, the connection assembly 2 comprises a traction rope 21, a landing gear 22, a wind-up roller 23, a regulating motor 24, the landing gear 22 and the main frame 5 are in fastening connection, the wind-up roller 23 is in rotary connection with the bottom of the landing gear 22, the regulating motor 24 is in fastening connection with the landing gear 22, an output shaft of the regulating motor 24 is in fastening connection with the wind-up roller 23, one end of the traction rope 21 is in fastening connection with the wind-up roller 23, and the other end of the traction rope 21 is in fastening connection with the mounting seat 12. The regulating motor 24 drives the wind-up roller 23 to rotate, the wind-up roller 23 rotates to retract and unwind the traction rope 21, and the landing gear 22 provides a landing platform for the mounting seat 12.
As shown in fig. 6 and 7, the transition assembly 3 includes a transition box 31, a steering rod 32, a sliding table 33, the transition box 31 and the steering rod 32 are fastened and connected, the steering rod 32 and the sliding table 33 are fastened and connected, the sliding table 33 and the main frame 5 are connected, a transfer component is arranged inside the transition box 31, the transfer component is provided with a plurality of groups, the transfer component includes an adsorption blade 34, a guide cavity 35, a push-out block 36, an extension frame 37, a first telescopic cylinder 38 and a second telescopic cylinder 39, the guide cavity 35 is arranged inside the transition box 31, the push-out block 36 and the guide cavity 35 are slidingly connected, the extension frame 37 and the push-out block 36 are fastened and connected, the first telescopic cylinder 38 and the guide cavity 35 are fastened and connected, the output shaft of the first telescopic cylinder 38 and the extension frame 37 are fastened and connected, the second telescopic cylinder 39 and the adsorption blade 34 are fastened and connected, and the adsorption blade 34 and the push-out block 36 are slidingly connected. After the sampling is completed, the sliding table 33 drives the transition box 31 to move, the steering rod 32 drives the transition box 31 to rotate, so that the guide cavity 35 is attached to the sampling channel, the sliding table 33 and the steering rod 32 belong to conventional technical means in the field, and the specific structure of the sliding table and the steering rod 32 is not described. At this time, the moving block 144 moves upwards, the moving block 144 which is not blocked into the blocking piece 145 enters the sampling channel 143, the second telescopic cylinder 39 drives the adsorption blade 34 to be inserted into the sampling channel 143, the adsorption blade 34 is communicated with an external electrode plate, charges are attached to the surface of the adsorption blade 34, floating dust in the sampling channel 143 is adsorbed and collected, at this time, the second telescopic cylinder 39 and the first telescopic cylinder 38 shrink synchronously, one end gas collected in the sampling channel 143 is pumped out, the blocking piece 145 is blocked into the moving block 144, then the transition box 31 moves back, the steering rod 32 rotates, the guide cavity 35 moves to the position of the collecting pipe 42, and the adsorption blade 34 is inserted into the collecting pipe. The transition assembly 3 of the invention realizes the separation of dust in the detection gas and the automatic transfer of the separated dust, and the whole transfer process and the sampling unit are matched, so that the sampling unit can be restored to an unclamped state, and the sampling is convenient to sample again.
As shown in fig. 8, the detecting assembly 4 comprises a detecting box 41, a collecting pipe 42, an air pump 43, a closed box 44, a temporary block 45, an electronic scale 46, a discharging block 47, an automatic electric cylinder 48, a recovery pipe 49, wherein the detecting box 41 is fixedly connected with the main frame 5, the collecting pipe 42 is fixedly connected with the detecting box 41, the closed box 44 is fixedly connected with the bottom of the inner wall of the detecting box 41, the air pump 43 is fixedly connected with the closed box 44, one end of the air pump 43 is connected with the collecting pipe 42, the other end of the air pump 43 is connected with the temporary block 45, a reverse folding hole is formed in the temporary block 45, the electronic scale 46 is fixedly connected with the bottom of the inner wall of the closed box 44, the temporary block 45 is arranged on the electronic scale 46, the automatic electric cylinder 48 is fixedly connected with the inner side wall of the closed box 44, an output shaft of the automatic electric cylinder 48 is fixedly connected with the discharging block 47, the recovery pipe 49 is fixedly connected with the bottom of the detecting box 41, and the discharging block 47 is communicated with the recovery pipe 49. The air pump 43 sucks air into the collecting pipe 42, the adsorption blades 34 are switched to be communicated with the ground wire, surface charges are conducted away, the adsorption force for dust is lost, electrode plates are arranged on the surface of the collecting pipe 42, when the air is sucked in, the electrode plates are electrified to adsorb the dust attached to the sucked air, influence on detection results is avoided, the dust enters the temporary storage block 45 along with air flow, the dust contacts with the reverse folding holes, the surface of the reverse folding holes is communicated with the negative plate, the dust is reserved, the automatic cylinder 48 drives the discharge block 47 to move, the discharge block 47 is attached to the output port of the reverse folding holes, the air flow is guided, impurities at different flow speed positions are input into different temporary storage blocks 45, the temporary storage blocks 45 are synchronously weighed, the reverse folding holes are converted to be communicated with the ground wire after weighing, and then the air flow is input to clean the dust, and the next group of tests are performed. According to the detection assembly 4 disclosed by the invention, dust is transferred to each temporary storage block in an air flow carrying mode, so that the dust of each extraction part can be weighed quickly, the atmospheric detection efficiency is greatly improved, and on the other hand, the detected dust can be automatically removed by switching the retaining mode, so that the follow-up detection is convenient.
As shown in fig. 2, the connection assembly 2 further includes four guide plates 25, the four guide plates 25 are disposed around the upper side of the landing gear 22, and a guide slope is disposed on the upper side of the guide plates 25. When the mounting seat 12 descends, a certain position deviation exists, but the position is required to be stable during gas transition, so that the landing gear 22 is provided with the guide plates 25, the descending mounting seat 12 is guided in position, and finally, the positions of the mounting seat 12 are completely determined by the four guide plates 25.
The working principle of the invention is as follows: the regulating motor 24 drives the wind-up roller 23 to rotate, the wind-up roller 23 rotates to wind up and unwind the traction rope 21, and the traction rope is released when sampling is needed. The air flow enters the collecting barrel 131, blows the sensing piece 132, and the sensing piece 132 pushes the moving rod 135 to press the return spring 136. The sensing piece 132 generates different displacement amounts according to different air flow speeds, and under the different displacement amounts, the sensing piece 132 contacts different trigger points 133, so that the sampling unit 14 samples air with different flow speeds. The sampling unit stays at each flow rate layer, samples in different time periods are collected, the samples are arranged in the sampling channel, and the blocking sheets are separated. The adsorption blade 34 is inserted into the sampling channel 143, the adsorption blade 34 is communicated with an external electrode plate, charges are attached to the surface of the adsorption blade 34, floating dust in the sampling channel 143 is adsorbed and collected, at the moment, the second telescopic cylinder 39 and the first telescopic cylinder 38 are synchronously contracted, one end gas collected in the sampling channel 143 is pumped out, the blocking piece 145 is blocked into the moving block 144, the transition box 31 is moved back, the steering rod 32 is rotated, the guide cavity 35 is moved to the collecting pipe 42, and the adsorption blade 34 is inserted into the collecting pipe. . The air pump 43 sucks air into the collecting pipe 42, the adsorption blades 34 are switched to be communicated with the ground wire, surface charges are conducted away, the adsorption force for dust is lost, electrode plates are arranged on the surface of the collecting pipe 42, when the air is sucked in, the electrode plates are electrified to adsorb the dust attached to the sucked air, influence on detection results is avoided, the dust enters the temporary storage block 45 along with air flow, the dust contacts with the reverse folding holes, the surface of the reverse folding holes is communicated with the negative plate, the dust is reserved, the automatic cylinder 48 drives the discharge block 47 to move, the discharge block 47 is attached to the output port of the reverse folding holes, the air flow is guided, impurities at different flow speed positions are input into different temporary storage blocks 45, the temporary storage blocks 45 are synchronously weighed, the reverse folding holes are converted to be communicated with the ground wire after weighing, and then the air flow is input to clean the dust, and the next group of tests are performed.
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.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Multilayer atmosphere detection device based on air velocity of flow, its characterized in that: the detection device comprises a collection assembly (1), a connection assembly (2), a transition assembly (3), a detection assembly (4) and a main frame (5), wherein the collection assembly (1) is connected with the connection assembly (2), the transition assembly (3) and the detection assembly (4) are arranged on the main frame (5), the main frame (5) is fixedly connected with the ground, the connection assembly (2) is arranged on one side of the transition assembly (3), and the detection assembly (4) is arranged on one side, far away from the connection assembly (2), of the transition assembly (3);
the acquisition assembly (1) comprises a helium balloon (11), a mounting seat (12), a speed measuring unit (13) and a sampling unit (14), wherein the helium balloon (11) is fixedly connected with the mounting seat (12), the speed measuring unit (13), the sampling unit (14) and the mounting seat (12) are fixedly connected, the speed measuring unit (13) is arranged at the bottom of the mounting seat (12), and the sampling unit (14) is arranged inside the mounting seat (12);
the speed measuring unit (13) comprises a collecting barrel (131), a sensing piece (132), a trigger point (133), a setting groove (134), a moving rod (135) and a reset spring (136), wherein the collecting barrel (131) is fixedly connected with the bottom of the mounting seat (12), the setting groove (134) is formed in the inner side wall of the collecting barrel (131), the trigger point (133) is arranged in the setting groove (134), the trigger point (133) is communicated with the sampling unit (14), the sensing piece (132) is slidably connected with the setting groove (134), the moving rod (135) is fixedly connected with the sensing piece (132), a fixed plate is arranged on the side wall of the collecting barrel (131), the moving rod (135) is fixedly connected with the fixed plate, the reset spring (136) is sleeved on the moving rod (135), one end of the reset spring (136) is fixedly connected with the fixed plate, and the other end of the reset spring (136) is fixedly connected with the sensing piece (132).
Sampling unit (14) are provided with the multilayer, multilayer sampling unit (14) are along mount pad (12) evenly distributed, sampling unit (14) are including sampling board (141), annular chamber (142), sampling passageway (143), movable block (144), jam piece (145), drive part (146), sampling board (141) and mount pad (12) fastening connection, annular chamber (142), sampling passageway (143) set up inside sampling board (141), sampling passageway (143) run through sampling board (141) both sides, annular chamber (142) are passed from sampling passageway (143) both sides border position department, movable block (144) are provided with a plurality of movable blocks (144) end to end and articulate, movable block (144) are filled in annular chamber (142), movable block (144) can slide along annular chamber (142), movable block (144) adopt hard rubber material, be provided with one-way draw-in groove on movable block (144), it sets up inside one-way draw-in groove to block piece (145), diameter setting up in annular chamber (142) both sides diameter is the same with drive part (142).
2. The air flow rate-based multi-layer atmospheric sensing device of claim 1, wherein: the driving component (146) comprises a driving bin (1461), a driving motor (1462) and driving wheels (1463), wherein the driving bin (1461) is arranged on two sides of the annular cavity (142), the driving motor (1462) is fixedly connected with the driving bin (1461), the driving wheels (1463) are fixedly connected with an output shaft of the driving motor (1462), and the driving wheels (1463) are in contact with the moving blocks (144).
3. The air flow rate-based multi-layer atmospheric sensing device of claim 2, wherein: coupling assembling (2) are including haulage rope (21), undercarriage (22), wind-up roll (23), regulation and control motor (24), undercarriage (22) and main frame (5) fastening connection, wind-up roll (23) and undercarriage (22) bottom rotate to be connected, regulation and control motor (24) and undercarriage (22) fastening connection, the output shaft and wind-up roll (23) fastening connection of regulation and control motor (24), haulage rope (21) one end and wind-up roll (23) fastening connection, haulage rope (21) other end and mount pad (12) fastening connection.
4. A multi-layer atmospheric sensing device based on air flow rate as defined in claim 3 wherein: transition subassembly (3) include, transition case (31), steering column (32), platform (33) slides, transition case (31) and steering column (32) fastening connection, steering column (32) and platform (33) fastening connection slides, platform (33) and main frame (5) are connected slide, transition case (31) inside is provided with transport part, transport part is provided with the multiunit, transport part includes adsorption leaf (34), guide chamber (35), push out piece (36), extension frame (37), first telescopic cylinder (38), second telescopic cylinder (39), guide chamber (35) set up inside transition case (31), push out piece (36) and guide chamber (35) sliding connection, extension frame (37) and push out piece (36) fastening connection, first telescopic cylinder (38) and guide chamber (35) fastening connection, the output shaft and extension frame (37) fastening connection of first telescopic cylinder (38), second telescopic cylinder (39) and extension frame (37) fastening connection, second telescopic cylinder (39) and adsorption leaf (34) fastening connection.
5. The air flow rate-based multi-layer atmospheric sensing device of claim 4, wherein: the utility model provides a detection subassembly (4) is including detecting case (41), collecting pipe (42), air pump (43), closed box (44), temporary block (45), electronic scale (46), discharge block (47), automatic electronic cylinder (48), recovery pipe (49), detect case (41) and main frame (5) fastening connection, collecting pipe (42) and detect case (41) fastening connection, closed box (44) and detect case (41) inner wall bottom fastening connection, air pump (43) and closed box (44) fastening connection, air pump (43) one end and collecting pipe (42) link to each other, air pump (43) other end and temporary block (45) link to each other, temporary block (45) inside is provided with the reverse folding hole, electronic scale (46) and closed box (44) inner wall bottom fastening connection, temporary block (45) set up on electronic scale (46), automatic electronic cylinder (48) and closed box (44) inside wall fastening connection, output shaft and discharge block (47) fastening connection of automatic electronic cylinder (48) and discharge block (49) and recovery pipe (49) bottom connection, recovery pipe (47) and recovery pipe (47) intercommunication.
6. The air flow rate-based multi-layer atmospheric sensing device of claim 5, wherein: the connecting assembly (2) further comprises guide plates (25), four guide plates (25) are arranged on the periphery of the upper side of the landing gear (22), and guide inclined planes are arranged on the upper side of the guide plates (25).
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| CN202311135959.1A CN116878978B (en) | 2023-09-05 | 2023-09-05 | Multilayer atmosphere detection device based on air velocity |
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| CN217155991U (en) * | 2022-03-07 | 2022-08-09 | 山东兆盛天玺环保科技有限公司 | Acquisition monitoring device suitable for high position atmospheric environment |
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| CN212483059U (en) * | 2020-06-16 | 2021-02-05 | 江苏环保产业技术研究院股份公司 | Device for vertically monitoring atmospheric environment |
| CN212780169U (en) * | 2020-08-10 | 2021-03-23 | 刘丹 | Pollutant sampling device for atmospheric pollution treatment |
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