CN118980552B - A constant temperature and constant flow atmospheric sampling device - Google Patents
A constant temperature and constant flow atmospheric sampling device Download PDFInfo
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- CN118980552B CN118980552B CN202411206607.5A CN202411206607A CN118980552B CN 118980552 B CN118980552 B CN 118980552B CN 202411206607 A CN202411206607 A CN 202411206607A CN 118980552 B CN118980552 B CN 118980552B
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- 238000005070 sampling Methods 0.000 title claims abstract description 55
- 238000003860 storage Methods 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 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
- 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
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of sampling, in particular to a constant-temperature constant-current atmospheric sampling device, which comprises a main body frame, wherein an air flow detection control component is arranged on the upper side of the main body frame and used for detecting the flow speed and the temperature of air flow, the air flow detection control component is used for controlling the temperature of air flow, a bearing plate is arranged on the upper side of the bottom of the main body frame in a sliding manner, a plurality of storage components are arranged on the upper side of the bearing plate and used for storing air, an air extraction component is arranged on the inner side of the main body frame and used for sucking the air into the storage components, a pushing component is arranged between the air extraction component and the bearing plate, and the pushing component is used for driving the bearing plate to translate. The invention has the functions of flow rate detection, temperature control, automatic continuous sampling and driving cooperation by arranging the main body frame, the air flow detection control assembly, the bearing plate, the storage assembly, the air extraction assembly and the pushing assembly.
Description
Technical Field
The invention relates to the technical field of sampling, in particular to a constant temperature and constant current atmospheric sampling device.
Background
The atmospheric sampling refers to a method for collecting a pollutant sample or a polluted air sample in the atmosphere, wherein a large amount of air passes through a liquid absorbent or a solid absorbent to enrich pollutants with lower concentration in the atmosphere, such as an air extraction method and a filter membrane method, and the other method is to collect the air containing the pollutants by using a container (a glass bottle, a plastic bag and the like), so that the atmospheric sampling is required under various conditions such as the detection of the quality of the atmosphere, and the atmospheric sampling is required by using an atmospheric sampling device.
The existing atmospheric sampling equipment is usually used for directly sucking air into a container during collection, the collection mode cannot ensure that the temperature and the flow speed of air flow are constant during air suction, so that the concentration of substances in the air in the container is uneven, the detection result is inaccurate easily, the container is manually replaced after the sampling is finished once, the next sampling can be performed, and continuous sampling is inconvenient.
Disclosure of Invention
The invention provides a constant-temperature constant-flow atmospheric sampling device, which aims to solve the defects that the prior atmospheric sampling device usually directly sucks air into a container during collection, the collection mode can not ensure that the temperature and the flow rate of air flow are constant during sucking the air, so that the concentration of substances in the air in the container is uneven, the detection result is inaccurate, the container is manually replaced after the completion of one-time sampling, the next sampling can be performed, and the continuous sampling is inconvenient.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a constant temperature constant current atmospheric sampling device, includes main body frame, main body frame's upside is equipped with air current detection control assembly, air current detection control assembly is used for detecting air current velocity and air current temperature, air current detection control assembly is used for controlling air current temperature, main body frame's bottom upside sideslip is equipped with the loading board, the upside of loading board is equipped with a plurality of storage assemblies, storage assembly is used for accomodating and depositing the air, main body frame's inboard is equipped with the subassembly of bleeding, the subassembly of bleeding is used for taking in the subassembly with the air suction, be equipped with the promotion subassembly between bleed subassembly and the loading board, the promotion subassembly is used for driving the loading board and takes place the translation, bleed the subassembly and be used for driving the promotion subassembly.
Preferably, the air current detection control assembly comprises an upper T-shaped pipe, the upper side of the main body frame is provided with a through hole, the upper T-shaped pipe is fixed on the inner side of the through hole, the outer T-shaped pipe is rotationally arranged on the periphery of the upper T-shaped pipe, the outer T-shaped pipe is positioned on the upper side of the main body frame, the outer T-shaped pipe is detachably connected with the main body frame through a bolt, a vent pipe is fixedly arranged on the periphery of the outer T-shaped pipe, a support, a temperature sensor and a wind speed sensor are fixedly arranged on the inner side of the vent pipe, an electric heating wire is fixedly arranged on one side of the support, a diversion guide plate is fixedly arranged on the periphery of the vent pipe, and an operation processing assembly is arranged on one side of the main body frame.
Preferably, the operation processing component comprises a control panel, a processing controller and a battery, wherein one side of the main body frame is provided with a mounting hole, the control panel is fixed on the inner side of the mounting hole, the processing controller and the battery are fixed on the inner wall of the main body frame, and the control panel, the battery, the temperature sensor, the wind speed sensor and the heating wire are electrically connected with the processing controller through wires or cooperation of wires and conductive slip rings.
Preferably, the storage assembly comprises a vertical frame, the upside at the loading board is fixed to vertical frame, one side of vertical frame is fixed and is equipped with the locating rack, the inboard of locating rack can be dismantled and be equipped with the storage bucket, the downside of locating rack is fixed and is equipped with two baffles, the inboard slip of storage bucket is equipped with T type piston, the lower extreme of T type piston is fixed and is equipped with the conical surface round platform, the upside of storage bucket is equipped with into the subassembly of giving vent to anger.
Preferably, the business turn over gas subassembly includes down T type pipe, the upside of storage vat is equipped with the round hole, down T type pipe is fixed in the inboard of round hole, go up the downside of T type pipe, the upside of T type pipe down is all fixed and is equipped with the sealing washer, two the sealing washer can contact the cooperation, the inboard of T type pipe is fixed down is equipped with the mounting panel, the upside of mounting panel is equipped with two check valves through the fixed intercommunication of pipeline, one the upside of check valve is fixed and is equipped with the dust screen.
Preferably, the air extraction assembly comprises a hollow shaft, the periphery of the hollow shaft is rotationally provided with a supporting seat, the supporting seat is fixed on the upper side of the bottom of the main body frame, one side of the supporting seat is fixedly provided with an electric motor, the electric motor is electrically connected with the processing controller through a wire, the shaft end of the electric motor is connected with the periphery of the hollow shaft through bevel gear transmission, the periphery of the hollow shaft is fixedly provided with a rocker arm, one side of the rocker arm is fixedly provided with a fixed shaft, the periphery of the fixed shaft is rotationally provided with a connecting rod, the upper end of the connecting rod is rotationally provided with a Z-shaped frame, two sides of the Z-shaped frame, which are far away from each other, are fixedly provided with L-shaped frames, the L-shaped frames slide on the inner wall of the main body frame, and the Z-shaped frames are provided with automatic clamping and releasing assemblies.
Preferably, the automatic clamping and releasing assembly comprises a bevel edge clamping buckle, a movable hole is formed in the lower side of the Z-shaped frame, the bevel edge clamping buckle slides on the inner side of the movable hole, a guide rod is fixedly arranged on the inner side of the movable hole, the bevel edge clamping buckle slides on the periphery of the guide rod, a clamping spring is fixedly arranged between the bevel edge clamping buckle and the Z-shaped frame, the bevel edge clamping buckle can be matched with a conical surface circular table in a clamping manner, an unlocking bevel edge block is fixedly arranged on one side of the bevel edge clamping buckle, a connecting frame is fixedly arranged on the inner wall of the main body frame, a bevel edge fixing frame is fixedly arranged on one side of the connecting frame, the bevel edge fixing frame can be in contact fit with the unlocking bevel edge block, and an anti-collision groove is formed in one side of the Z-shaped frame.
Preferably, the pushing assembly comprises a reciprocating frame, the reciprocating frame slides on the upper side of the bottom of the main body frame, a driving hole is formed in one side of the reciprocating frame, the fixing shaft slides on the inner side of the driving hole, a cross-shaped groove is formed in one side of the reciprocating frame, a cross-shaped block is arranged on the inner side of the cross-shaped groove in a sliding mode, the cross-shaped block is detachably connected with the reciprocating frame through a bolt, a handle is fixedly arranged on the upper side of the cross-shaped block, a top plate is arranged on the periphery of the handle in a sliding mode, the top plate is fixed on one side of the reciprocating frame, a driving shaft is fixedly arranged on one side of the cross-shaped block, and a unidirectional driving assembly is arranged between the driving shaft and the bearing plate.
Preferably, the unidirectional driving assembly comprises a rack and a gear, the rack is fixed on the upper side of the bearing plate, a ratchet wheel is fixedly arranged on the periphery of the driving shaft, the gear can be connected with the rack through meshing, the gear can be in contact fit with and separated from the rack, two connecting rings are fixedly arranged on the inner side of the gear, the connecting rings rotate on the periphery of the driving shaft, a plurality of clamping teeth are rotatably arranged on the inner side of the gear, the clamping teeth can be in contact clamping fit with the periphery of the ratchet wheel, and a driving spring is fixedly arranged between one side of the clamping teeth and the inner side of the gear.
The constant temperature and constant current atmospheric sampling device provided by the invention has the beneficial effects that:
(1) By arranging the main body frame, the air flow detection control component and the operation processing component, the invention has the functions of flow speed detection, temperature detection and temperature control, can suck air when the air flow is relatively constant, can control the air flow temperature to be relatively constant, can ensure that the concentration of substances in the air in the container is uniform, and can ensure that the detection result is relatively accurate.
(2) Through setting up main part frame, loading board, storage subassembly, bleed subassembly, pushing component and automatic joint, take off the card subassembly for the invention has the function of automatic continuous sampling, can carry out the multiple sampling in succession, does not need frequent container replacement, can realize unmanned timing intermittent type sampling moreover, can satisfy multiple user demand.
(3) By arranging the air extraction assembly, the pushing assembly and the unidirectional driving assembly, the invention has the driving matching function, can realize automatic clamping, automatic air extraction, automatic card releasing and automatic pushing when the rocker rotates, can finish automatic acquisition and automatic pushing only by a single driving element, does not need a plurality of driving elements to be matched for use, can control the production cost, is convenient for subsequent maintenance, and has lower failure rate.
Drawings
FIG. 1 is a schematic diagram of a front perspective structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 2 is a schematic diagram of a back perspective structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 3 is a schematic view of a front cut-away perspective structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 4 is a schematic view of the enlarged partial structure of the area A in FIG. 3 according to the present invention;
FIG. 5 is a schematic side sectional perspective view of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 6 is a schematic view of a partial enlarged structure of the area B in FIG. 5 according to the present invention;
FIG. 7 is a schematic view of the enlarged partial structure of the region C in FIG. 5 according to the present invention;
FIG. 8 is a schematic view of a back cut-away perspective structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 9 is a schematic view of a partial enlarged structure of the region D in FIG. 8 according to the present invention;
FIG. 10 is a schematic view of a back side partially cut-away perspective structure of a constant temperature constant flow atmospheric sampling device according to the present invention;
FIG. 11 is a schematic diagram of a side sectional axial measurement structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
FIG. 12 is a schematic view of the enlarged partial structure of the E area in FIG. 11 according to the present invention;
FIG. 13 is a schematic diagram of a back cut-away axial measurement structure of a constant temperature and constant flow atmospheric sampling device according to the present invention;
Fig. 14 is a schematic diagram of a partial front perspective view of a constant temperature and constant flow atmospheric sampling device according to the present invention.
In the figure, 1, a main body frame; 2, loading plate, 3, upper T-shaped tube, 4, outer T-shaped tube, 5, vent tube, 6, bracket, 7, temperature sensor, 8, wind speed sensor, 9, heating wire, 10, steering guide plate, 11, control panel, 12, process controller, 13, battery, 14, vertical frame, 15, positioning frame, 16, storage bucket, 17, baffle, 18, T-shaped piston, 19, conical surface bench, 20, lower T-shaped tube, 21, sealing ring, 22, mounting plate, 23, check valve, 24, dust screen, 25, hollow shaft, 26, support seat, 27, electric motor, 28, rocker arm, 29, fixed shaft, 30, connecting rod, 31, Z-shaped frame, 32, L-shaped frame, 33, bevel edge buckle, 34, guide rod, 35, clamping spring, 36, unlocking bevel edge block, 37, connecting frame, 38, bevel edge fixing frame, 39, reciprocating frame, 40, driving hole, 41, cross-shaped block, 42, handle, 43, top plate, 44, driving shaft, 45, 46, ratchet wheel, 47, gear, 48, tooth bar, 50, driving spring, 50.
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.
Referring to fig. 1-14, a constant temperature constant current atmospheric sampling device, including main body frame 1, the bottom upside slip of main body frame 1 is equipped with loading board 2, the upside of loading board 2 is equipped with a plurality of storage components, storage components is used for accomodating and deposits the air, storage components includes vertical frame 14, vertical frame 14 is fixed in the upside of loading board 2, fixed triangle reinforcing plate that is equipped with between vertical frame 14 and the loading board 2, one side of vertical frame 14 is fixed and is equipped with locating rack 15, the inboard of locating rack 15 can be dismantled and be equipped with storage bucket 16, can dismantle through the bolt between locating rack 15 and the storage bucket 16 and be connected, the downside of locating rack 15 is fixed and is equipped with two baffles 17, the inboard of storage bucket 16 is slided and is equipped with T type piston 18, through dynamic seal connection between T type piston 18 and the storage bucket 16, before the needs to gather the air, need all place storage bucket 16 in the locating rack 15, then screw up the bolt between locating rack 15 and the storage bucket 16 for storage bucket 16 can not take place not loosen, then go on next step.
As shown in fig. 1-3, 5-6, 8 and 11, the upper side of the main body frame 1 is provided with an airflow detection control component for detecting airflow velocity and airflow temperature, the airflow detection control component is used for controlling airflow temperature, the airflow detection control component comprises an upper T-shaped tube 3, the upper side of the main body frame 1 is provided with a through hole, the upper T-shaped tube 3 is fixed at the inner side of the through hole, the periphery of the upper T-shaped tube 3 is rotatably provided with an outer T-shaped tube 4, the outer T-shaped tube 4 is positioned at the upper side of the main body frame 1, the outer T-shaped tube 4 is detachably connected with the main body frame 1 through bolts, the periphery of the outer T-shaped tube 4 is fixedly provided with a vent tube 5, the vent tube 5 is of a conical structure with different diameters at two ends, the inboard fixed support 6 that is equipped with of breather pipe 5, temperature sensor 7, wind speed sensor 8, the fixed heating wire 9 that is equipped with in one side of support 6, outer T type pipe 4 is located between heating wire 9 and temperature sensor 7, fixed diversion baffle 10 that is equipped with in the periphery of breather pipe 5, diversion baffle 10 is located the top of breather pipe 5, before needing to gather the air, need confirm that the orientation of breather pipe 5 does not change or follows the wind direction and change, when the orientation of breather pipe 5 does not change, need screw up the bolt between outer T type pipe 4 and the main part frame 1, when the orientation of breather pipe 5 changes along the wind direction, then need screw down the bolt between outer T type pipe 4 and the main part frame 1.
As shown in fig. 4 and 6, a conical surface round table 19 is fixedly arranged at the lower end of a T-shaped piston 18, an air inlet and outlet assembly is arranged at the upper side of a storage barrel 16, the air inlet and outlet assembly comprises a lower T-shaped pipe 20, a round hole is arranged at the upper side of the storage barrel 16, the lower T-shaped pipe 20 is fixed at the inner side of the round hole, sealing rings 21 are fixedly arranged at the lower side of an upper T-shaped pipe 3 and the upper side of the lower T-shaped pipe 20, two sealing rings 21 can be in contact fit, a mounting plate 22 is fixedly arranged at the inner side of the lower T-shaped pipe 20, two check valves 23 are fixedly communicated through a pipeline, a dust screen 24 is fixedly arranged at the upper side of one check valve 23, the two check valves 23 are respectively an air inlet check valve and an air outlet check valve, the dust screen 24 is fixed on the air inlet check valve, when air is pumped into the storage barrel 16, the air inlet check valve is opened, the air can enter the storage barrel 16 through the air inlet check valve, the dust can be prevented from entering the storage barrel 16, at the moment, the air outlet check valve is in a closed state, and when the air in the storage barrel 16 is discharged, otherwise.
As shown in fig. 2,5, 7-9, 11 and 13, the inner side of the main body frame 1 is provided with an air extraction assembly, the air extraction assembly is used for extracting air into the storage assembly, the air extraction assembly comprises a hollow shaft 25, a supporting seat 26 is rotationally arranged on the periphery of the hollow shaft 25, the supporting seat 26 is fixed on the upper side of the bottom of the main body frame 1, one side of the supporting seat 26 is fixedly provided with an electric motor 27, the electric motor 27 is electrically connected with the processing controller 12 through a wire, the shaft end of the electric motor 27 is connected with the periphery of the hollow shaft 25 through a bevel gear, the periphery of the hollow shaft 25 is fixedly provided with a rocker arm 28, one side of the rocker arm 28 is fixedly provided with a fixed shaft 29, a connecting rod 30 is rotationally arranged on the periphery of the fixed shaft 29, the upper end of the connecting rod 30 is rotationally provided with a Z-shaped frame 31, two sides of the Z-shaped frame 31, which are far away from each other, are fixedly provided with an L-shaped frame 32 which slides on the inner wall of the main body frame 1, the Z-shaped frame 31 is provided with an automatic clamping and releasing assembly, the automatic clamping and releasing assembly comprises a bevel edge clamping buckle 33, the lower side of the Z-shaped frame 31 is provided with a movable hole, the bevel edge clamping buckle 33 slides on the inner side of the movable hole, the inner side of the movable hole is fixedly provided with a guide rod 34, the bevel edge clamping buckle 33 slides on the periphery of the guide rod 34, a clamping spring 35 is fixedly arranged between the bevel edge clamping buckle 33 and the Z-shaped frame 31, the bevel edge clamping buckle 33 can be matched with a conical round table 19 in a clamping way, one side of the bevel edge clamping buckle 33 is fixedly provided with an unlocking bevel edge block 36, the inner wall of the main body frame 1 is fixedly provided with a connecting frame 37, one side of the connecting frame 37 is fixedly provided with a bevel edge fixing frame 38, the bevel edge fixing frame 38 and the unlocking bevel edge block 36 can be contacted and matched, one side of the Z-shaped frame 31 is provided with an anti-collision groove, the bevel edge fixing frame 38 can be positioned on the inner side of the anti-collision groove, when air extraction sampling is required, the electric motor 27 needs to be controlled to rotate, when the electric motor 27 rotates, the hollow shaft 25 and the rocker arm 28 are driven by the bevel gear, when the rocker arm 28 rotates, the Z-shaped frame 31 is driven by the fixed shaft 29 and the connecting rod 30 to move up and down, when the Z-shaped frame 31 moves to the highest position, the bevel edge buckle 33 can pass through the conical surface round table 19, so that the conical surface round table 19 is clamped between the bevel edge buckle 33 and the Z-shaped frame 31, then the Z-shaped frame 31 starts to descend, when the Z-shaped frame 31 descends, the conical surface round table 19 and the T-shaped piston 18 are driven to descend together, at this time, the air in the vent pipe 5 can be sucked into the storage barrel 16 through the outer T-shaped pipe 4, the upper T-shaped pipe 3, the lower T-shaped pipe 20 and the one-way valve 23, so that automatic air suction sampling can be performed, when the Z-shaped frame 31 is about to move to the middle position, the unlocking bevel edge block 36 can contact the bevel edge fixing frame 38, then the bevel edge buckle 33 can be far away from the conical surface round table 19, when the Z-shaped frame 31 moves to the middle position, the bevel edge buckle 33 can be separated from the conical surface round table 19, and at the moment, the conical surface round table 19 cannot be clamped between the bevel edge buckle 33 and the Z-shaped frame 31, so that automatic air suction sampling can be completed.
As shown in fig. 1-2, fig. 5, fig. 8, and fig. 13, an operation processing component is disposed on one side of the main body frame 1, the operation processing component includes a control panel 11, a processing controller 12, and a battery 13, a mounting hole is disposed on one side of the main body frame 1, the control panel 11 is fixed on the inner side of the mounting hole, the processing controller 12 and the battery 13 are fixed on the inner wall of the main body frame 1, the control panel 11, the battery 13, the temperature sensor 7, the wind speed sensor 8, the heating wire 9 are electrically connected with the processing controller 12 through wires or the cooperation of wires and the conductive slip ring, when the air sampling is performed, the temperature condition of the air flow needs to be obtained through the temperature sensor 7, if the air needs to be heated to ensure that the air flow temperature is relatively constant, the heating wire 9 can be started to heat the air through the processing controller 12, so that the air flow temperature can be controlled, and when the air flow is relatively stable, the air sampling can be performed, so that the air flow temperature and the air flow speed relatively constant principle can be ensured when the air sampling is performed, and the air flow relatively constant sampling can be performed, specifically, when the air sampling is performed: the control panel 11 and the battery 13 are electrically connected with the processing controller 12 through wires, the temperature sensor 7, the wind speed sensor 8 and the heating wire 9 are electrically connected with the processing controller 12 through the cooperation of the wires and the conductive slip ring, the conductive slip ring is required to be adopted for electrical connection at the rotating position between the outer T-shaped tube 4 and the main body frame 1, the processing controller 12 is externally connected with a charging port through the wires, specifically, various parameters can be set through the control panel 11 before use, the temperature sensor 7 can transmit temperature information to the processing controller 12, the wind speed sensor 8 can transmit wind speed information to the processing controller 12, the process controller 12 may control the heating wire 9 and the electric motor 27 according to the received information.
As shown in FIG. 5, As shown in fig. 10-13, a pushing component is arranged between the air extracting component and the bearing plate 2, the pushing component is positioned at the upper side of the bottom of the main body frame 1, the pushing component is used for driving the bearing plate 2 to translate, the air extracting component is used for driving the pushing component, the pushing component comprises a reciprocating frame 39, the reciprocating frame 39 slides at the upper side of the bottom of the main body frame 1, one side of the reciprocating frame 39 is provided with a driving hole 40, a fixed shaft 29 slides at the inner side of the driving hole 40, one side of the reciprocating frame 39 is provided with a cross groove, the inner side of the cross groove slides and is provided with a cross block 41, the cross block 41 can slide up and down, the cross block 41 is detachably connected with the reciprocating frame 39 through bolts, a handle 42 is fixedly arranged at the upper side of the cross block 41, a top plate 43 is slidably arranged at the periphery of the handle 42, the top plate 43 is fixedly arranged at one side of the reciprocating frame 39, one side of the cross block 41 is fixedly provided with a driving shaft 44, a unidirectional driving component is arranged between the driving shaft 44 and the bearing plate 2, and the unidirectional driving component comprises a rack 45, The gear 47, the rack 45 is fixed on the upper side of the bearing plate 2, the ratchet 46 is fixed on the periphery of the driving shaft 44, the gear 47 can be in transmission connection with the rack 45 through meshing, the gear 47 can be in contact fit and separation with the rack 45, two connecting rings 48 are fixed on the inner side of the gear 47, the connecting rings 48 rotate on the periphery of the driving shaft 44, a plurality of latches 49 are rotatably arranged on the inner side of the gear 47, the latches 49 can be in contact and clamping fit with the periphery of the ratchet 46, a driving spring 50 is fixedly arranged between one side of the latches 49 and the inner side of the gear 47, during the air extraction sampling, when the Z-shaped frame 31 descends to the middle position, the bevel edge buckle 33 can be separated from the conical round table 19 to complete automatic releasing, at the moment, the reciprocating frame 39 can be moved to the rightmost side (as viewed in fig. 13), then the rocker arm 28 continues to rotate, at the moment, the reciprocating frame 39 can translate from right to left, during the right-to-left translation of the shuttle 39 (as viewed in fig. 13), the latch 49 will engage the ratchet 46, and the gear 47 cannot rotate, so that the right-to-left translation of the shuttle 39 will drive the rack 45 and the carrier 2 to translate, so that the next bucket 16 can be pushed to the sampling position below the upper T-tube 3, automatic switching can be achieved, continuous sampling is facilitated, when the shuttle 39 moves to the far left, the next bucket 16 will move in place, the Z-shaped frame 31 will also rise to the intermediate position, the rocker 28 will continue to rotate, the shuttle 39 will translate from left to right, the latch 49 will not engage the ratchet 46, the gear 47 will rotate, and the carrier 2 will not be driven to translate, so that unidirectional driving can be achieved, when the shuttle 39 translates from left to right to the intermediate position, the Z-shaped frame 31 also rises to the highest position, so that the bevel edge buckle 33 can be clamped again to the conical surface round table 19, the rocker arm 28 continuously rotates to perform continuous air extraction sampling, when all the storage barrels 16 are collected, the storage barrels 16 need to be replaced, when the storage barrels 16 need to be replaced, bolts between the positioning frame 15 and the storage barrels 16 need to be unscrewed, then the unused storage barrels 16 need to be replaced, then the bearing plate 2 needs to be moved back to reset, when the bearing plate 2 needs to be reset, bolts between the cross-shaped block 41 and the reciprocating frame 39 need to be unscrewed, and then the cross-shaped block 41 is pulled upwards through the handle 42, The driving shaft 44 and the gear 47 can then move the carrying plate 2 back to reset, after the carrying plate 2 is reset, the cross-shaped block 41, the driving shaft 44 and the gear 47 are required to descend and reset, so that the gear 47 is meshed with the rack 45, then the bolts between the cross-shaped block 41 and the reciprocating frame 39 are screwed, and the reset can be completed, and then the carrying plate can be used continuously.
It should be noted that the check valve 23, the control panel 11, the battery 13, the temperature sensor 7, the wind speed sensor 8, the heating wire 9, the conductive slip ring, the process controller 12, and the electric motor 27 are all of the prior art, and specific functions and usage thereof are not described herein.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411206607.5A CN118980552B (en) | 2024-08-30 | 2024-08-30 | A constant temperature and constant flow atmospheric sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411206607.5A CN118980552B (en) | 2024-08-30 | 2024-08-30 | A constant temperature and constant flow atmospheric sampling device |
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| CN118980552A CN118980552A (en) | 2024-11-19 |
| CN118980552B true CN118980552B (en) | 2025-03-25 |
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| CN114295432A (en) * | 2021-12-30 | 2022-04-08 | 重庆工业职业技术学院 | A kind of sampling equipment for air pollution prevention and control |
| CN117470597A (en) * | 2023-11-03 | 2024-01-30 | 浙江万里学院 | Absorbing device for sampling ambient air and waste gas |
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| CN207717450U (en) * | 2018-01-30 | 2018-08-10 | 山东修瑞德节能环保科技有限公司 | Atmospheric sampling detector |
| CN215339142U (en) * | 2021-08-02 | 2021-12-28 | 武汉市斯坦德优检测有限公司 | A constant temperature and constant current atmospheric detection and sampling device |
| CN118209459A (en) * | 2024-03-25 | 2024-06-18 | 江西东利检测有限公司 | Environment detection device for dust environment |
| CN118443378B (en) * | 2024-07-05 | 2024-09-03 | 水利部牧区水利科学研究所 | A device for measuring and sampling sediment in silt dam |
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| CN114295432A (en) * | 2021-12-30 | 2022-04-08 | 重庆工业职业技术学院 | A kind of sampling equipment for air pollution prevention and control |
| CN117470597A (en) * | 2023-11-03 | 2024-01-30 | 浙江万里学院 | Absorbing device for sampling ambient air and waste gas |
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