CN211627099U - Multi-membrane ambient air particulate matter sampler - Google Patents
Multi-membrane ambient air particulate matter sampler Download PDFInfo
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- CN211627099U CN211627099U CN202020183505.7U CN202020183505U CN211627099U CN 211627099 U CN211627099 U CN 211627099U CN 202020183505 U CN202020183505 U CN 202020183505U CN 211627099 U CN211627099 U CN 211627099U
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Abstract
The utility model discloses a multi-membrane environment air particulate matter sampler, which comprises a feeding barrel, a discharging barrel, a feeding mechanism and a horizontal sliding mechanism, wherein the feeding barrel and the discharging barrel are vertically arranged, both are provided with upper openings, and the opening positions are equal in height; the feeding barrel is provided with a feeding mechanism, and a horizontal sliding mechanism is arranged on a detection table surface between the openings of the feeding barrel and the discharging barrel; a cutter pipeline is arranged above the detection table board, and a sampling clamping device is arranged below the detection table board; the feeding mechanism comprises a film clamp, a transmission belt, a synchronizing wheel and a motor, wherein the transmission belt, the synchronizing wheel and the motor form a belt type transmission mechanism and are vertically arranged on the side edge of the feeding barrel, the film clamp supports the bottom of the filter film clamp at the lowest layer in the feeding barrel in an inserting mode, and one end of the film clamp extends out of a notch in the side wall of the feeding barrel and is fixed on the transmission belt and follows the transmission belt. The system of the utility model automatically samples each filter membrane without manual intervention; reasonable in design, compact structure, light in weight, the portability is good, is fit for the outdoor operations.
Description
Technical Field
The utility model relates to an air sampler specifically is a many membranes environment air particulate matter sample thief.
Background
With the progress of science and technology and the rapid development of industrial production, a large amount of particulate matters are inevitably discharged into the atmosphere, which undoubtedly brings the threat to the living environment of human beings. The monitoring of air particles is therefore one of the important aspects of environmental work.
An ambient air automatic membrane-changing sampler is a commonly used air particulate matter sampling device. The existing automatic ambient air membrane-changing sampler can only put one filter membrane, only one air particle sample can be collected at each time, one-time sampling can only monitor one air index, manual operation is needed during membrane changing, the working efficiency is low, the requirement of large-scale sampling cannot be met, and the burden of sampling personnel is increased.
SUMMERY OF THE UTILITY MODEL
Need manual operation when trading the membrane to among the prior art automatic membrane sample thief of trading of ambient air, work efficiency low grade is not enough, the to-be-solved problem of the utility model is to provide a many membranes ambient air particulate matter sample thief that need not artificial intervention.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model relates to a multi-membrane environment air particulate matter sampler, which comprises a feeding barrel, a discharging barrel, a feeding mechanism and a horizontal sliding mechanism, wherein the feeding barrel and the discharging barrel are vertically arranged, both are provided with upper openings, and the opening positions are equal in height; the feeding barrel is provided with a feeding mechanism, and a horizontal sliding mechanism is arranged on a detection table surface between the openings of the feeding barrel and the discharging barrel; a cutter pipeline is arranged above the detection table board, and a sampling clamping device is arranged below the detection table board.
The feeding mechanism comprises a film clamp, a transmission belt, a synchronizing wheel and a motor, wherein the transmission belt, the synchronizing wheel and the motor form a belt type transmission mechanism and are vertically arranged on the side edge of the feeding barrel, the film clamp supports the bottom of the filter film clamp at the lowest layer in the feeding barrel in an inserting mode, and one end of the film clamp extends out of a notch in the side wall of the feeding barrel and is fixed on the transmission belt and follows the transmission belt.
The feeding barrel is of a cylinder structure, and the lower end of the feeding barrel is connected with the air pump through an inflation inlet and an air pipeline; the membrane clamp support is horizontally arranged in the feeding barrel, and the membrane clamp support edge part is in airtight contact with the inner wall of the feeding barrel.
Horizontal sliding mechanism adopts lead screw formula horizontal slip table, including first motor, lead screw and screw, wherein first motor fixed mounting is in the mounting panel side, and one side on horizontal slip table is passed through mount pad and bearing fixed mounting at the lead screw both ends, and the one end of lead screw is connected with the output shaft of first motor, screw and filter membrane push pedal fixed connection, screw and lead screw meshing.
Horizontal sliding mechanism adopts pneumatic type horizontal slip table, including the rodless cylinder that has the slider, rodless cylinder installs on the mounting panel, and slider upper portion fixed mounting has the filter membrane tray, and the slider is horizontal migration under the effect of cylinder.
The sampling clamping device comprises an upper clamping seat, a lower clamping seat and a clamping mechanism, which are respectively arranged at the upper side and the lower side of a sampling port of the cutter, wherein the upper clamping seat is connected with the bottom end of the upper side of the sampling port of the cutter, the lower clamping seat is connected with the upper end of the lower side of the sampling port of the cutter, the upper clamping seat and the lower clamping seat are in a funnel shape and are oppositely arranged, and the upper clamping seat and the lower clamping seat respectively correspond to the detection membrane positions of the filter membrane tray from the upper side and the lower side; the clamping mechanism is arranged at the bottom end of the lower clamping seat and comprises a hollow pipe communicated with an air pipeline, a rack is arranged outside the hollow pipe in the vertical direction and is meshed with a gear, and the gear is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack.
The upper part of the opening of the discharging barrel is provided with a pressing plate driven by a motor or an air cylinder, and the discharging barrel is internally provided with a discharging buffer plate capable of sliding with the inner wall of the discharging barrel in a friction manner.
The utility model has the following beneficial effects and advantages:
1. the utility model discloses multi-membrane ambient air particulate matter sample thief is used for ambient air sampling, replaces the manual membrane that trades with mechanical motion through the motion of mechanical structure multi freedom, satisfies long-time sampling demand, has alleviateed people's intensity of labour greatly; the system automatically samples each filter membrane without manual intervention; reasonable in design, compact structure, light in weight, the portability is good, is fit for the outdoor operations.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a multi-membrane environmental air particulate sampler of the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the multi-membrane environmental air particulate sampler of the present invention;
FIG. 3 is a schematic view of a pneumatic horizontal sliding table according to the present invention;
fig. 4 is the utility model discloses well lead screw formula horizontal slip table structure sketch map.
The device comprises a PM10 cutter 1, a PM2.5 cutter 2, a motor 3, a transmission belt 4, a membrane clamp support 5, a synchronizing wheel 6, a loading barrel 7, an air pump 8, a flow sensor 9, a sampling clamping device 10, a discharge buffer plate 11, a filter membrane clamp 14, a discharge barrel 15, an air pump 16, a first sensor 17, a second sensor 18, a clamping motor 19, a trackless cylinder 20, a loading hole position 21, a discharge hole position 22, a sampling hole position 23, a sliding block 24, a second motor 25, a lead screw 26, a screw 27, a mounting plate 28, a blanking motor 29, a pressing plate 30 and a filter membrane pushing plate 31.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification.
Example 1
As shown in fig. 1, the utility model relates to a multi-membrane environment air particulate matter sampler, which comprises a feeding barrel 7, a discharging barrel 15, a feeding mechanism and a horizontal sliding mechanism, wherein the feeding barrel 7 and the discharging barrel 15 are vertically arranged, both are provided with upper openings, and the opening positions are equal to each other; the feeding barrel 7 is provided with a feeding mechanism, and a horizontal sliding mechanism is arranged on a detection table surface between the feeding barrel 7 and the opening of the discharging barrel 15; a cutter pipeline is arranged above the detection table board, and a sampling clamping device 10 is arranged below the detection table board.
In this embodiment, feed mechanism includes that the membrane presss from both sides holds in the palm 5, drive belt 4, synchronizing wheel 6 and motor 3, and wherein drive belt 4, synchronizing wheel 6 and motor 3 form belt drive mechanism, and vertical the installation is in last storage bucket 7 side, and 5 cartridge of membrane clamp hold in the palm 5 bottom in last storage bucket 7, the filter membrane of the lowest floor presss from both sides 14, and 5 one end of membrane clamp support stretches out from the opening of last storage bucket 7 lateral walls, fixes on drive belt 4 and follows up with drive belt 4.
As shown in fig. 4, the horizontal sliding mechanism adopts a screw-type horizontal sliding table, and includes a first motor 25, a screw 26 and a nut 27, wherein the first motor 25 is fixedly mounted on the side of the mounting plate 28, two ends of the screw 26 are fixedly mounted on one side of the horizontal sliding table through a mounting seat and a bearing, one end of the screw 26 is connected with an output shaft of the first motor 25, a filter membrane tray of the nut 27 is fixedly connected, and the nut 27 is engaged with the screw 26.
Or, as shown in fig. 3, the horizontal sliding mechanism adopts a pneumatic horizontal sliding table, and includes a rodless cylinder 20 and a slider 24, wherein the rodless cylinder 20 is mounted on the mounting plate 28, an inner hole of the slider 24 is slidably mounted outside the rodless cylinder 20, a filter membrane tray is fixedly mounted on the upper portion of the slider 24, and the slider 24 moves horizontally under the action of the cylinder.
As shown in fig. 1, the sampling clamping device 10 includes an upper clamping seat 1001, a lower clamping seat 1002 and a clamping mechanism, which are respectively installed at the upper and lower sides of the sampling port of the cutter, wherein the upper clamping seat 1001 is connected to the bottom end of the upper side of the sampling port of the cutter, the lower clamping seat 1002 is connected to the upper end of the lower side of the sampling port of the cutter, the upper clamping seat 1001 and the lower clamping seat 1002 are in a funnel shape and are oppositely arranged, and the upper clamping seat 1001 and the lower clamping seat 1002 respectively correspond to the detection membrane positions of the filter membrane tray from the upper and lower sides; the clamping mechanism is arranged at the bottom end of the lower clamping seat 1002 and comprises a hollow pipe communicated with an air pipeline, a rack is arranged outside the hollow pipe in the vertical direction and is meshed with a gear, and the gear is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack.
A pressing plate driven by a motor or an air cylinder is arranged at the upper part of the opening of the discharging barrel 15, and a material buffer plate 11 which can slide with the inner wall of the discharging barrel 15 in a friction way is arranged in the discharging barrel 15.
The utility model discloses a working process and principle as follows:
the horizontal sliding mechanism is at the original position, and the nut with the filter membrane supporting ring is positioned at the opening position of the feeding barrel 7; putting the filter membrane clamps into the feeding barrel 7, setting relevant parameters such as sampling time, sampling duration and the like, starting a feeding mechanism, driving the membrane clamp support 5 to move upwards by forward rotation of a conveyor belt, pushing the filter membrane clamps 14 to move upwards to lift the thickness of one filter membrane clamp 14, and sending the topmost filter membrane clamp 14 in the feeding barrel 7 out of the feeding barrel 7; the motor of the horizontal sliding mechanism is started to drive the filter membrane push plate 31 to push the filter membrane clamp 14 to the sampling hole position; a motor or an air cylinder in the clamping device is started, the lower clamping seat 1002 is driven to move upwards through gear and rack meshing transmission, a filter membrane clamp 14 on a sampling hole position is lifted, the filter membrane clamp 14 is matched with the upper clamping seat 1001 to be clamped between the upper clamping seat 1001 and the lower clamping seat 1002, and sealing is achieved through a sealing ring and clamping forces of the upper clamping seat 1001 and the lower clamping seat 1002; starting the air pump 8 to sample air; after the sampling time is up, the horizontal sliding mechanism is started again, and the filter membrane clamp 14 is pushed to the blanking position through the filter membrane push plate 31; starting a blanking motor 29 or a blanking cylinder, pressing the filter membrane clamp 14 into the discharging barrel 15 through a pressure plate 30, reversely rotating a smoothing mechanism motor, and returning a filter membrane push plate 31 to the original position; the discharging buffer plate 11 in the discharging barrel 15 moves downwards by the thickness of a filter membrane clamp under the action of pressure; after the primary sampling process is finished, lifting the next filter membrane clamp in the feeding barrel 7 to the opening position of the feeding barrel 7, and repeating the operation until all the filter membrane clamps are completely collected; at this time, the discharging barrel 15 is filled, and is taken down, a push rod is manually inserted from a hole at the bottom of the discharging barrel 15, and the discharging buffer wood board 11 is pushed out towards the opening direction until all the filter membrane clamps are taken out.
The stop of each motor is controlled by a limit switch arranged at a corresponding moving position.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that the charging barrel 7 has a cylinder structure, and the lower end thereof is connected to an air pump 16 through an inflation port and an air pipeline; the membrane holder 5 is horizontally arranged in the feeding barrel 7, and the edge part of the membrane holder 5 is in closed contact with the inner wall of the feeding barrel.
When feeding, the air pump 16 is started, so that the air cavity of the feeding barrel 7 of the air cylinder structure pushes the membrane clamp holder 5 to move upwards by the thickness of one filter membrane clamp 14; the stop of the air pump 16 is controlled by limit switches provided at the respective moving positions.
The horizontal sliding mechanism can adopt a screw rod type horizontal sliding table (as shown in fig. 4) or a pneumatic type horizontal sliding table (as shown in fig. 3), and the working process and the principle are the same as those of the embodiment 1.
The utility model discloses the automatic membrane sample thief that trades of ambient air is used for ambient air sampling, replaces the manual membrane that trades with mechanical motion through the motion of mechanical structure multi freedom, satisfies long-time sampling demand, has alleviateed people's intensity of labour greatly; the system automatically samples each filter membrane without manual intervention; reasonable in design, compact structure, light in weight, the portability is good, is fit for the outdoor operations.
Claims (7)
1. The utility model provides a many membranes environment air particulate matter sample thief which characterized in that: the automatic feeding device comprises a feeding barrel, a discharging barrel, a feeding mechanism and a horizontal sliding mechanism, wherein the feeding barrel and the discharging barrel are vertically arranged, both are provided with upper openings, and the opening positions are equal in height; the feeding barrel is provided with a feeding mechanism, and a horizontal sliding mechanism is arranged on a detection table surface between the openings of the feeding barrel and the discharging barrel; a cutter pipeline is arranged above the detection table board, and a sampling clamping device is arranged below the detection table board.
2. The multi-membrane ambient air particulate sampler of claim 1, wherein: the feeding mechanism comprises a film clamp, a transmission belt, a synchronizing wheel and a motor, wherein the transmission belt, the synchronizing wheel and the motor form a belt type transmission mechanism and are vertically arranged on the side edge of the feeding barrel, the film clamp supports the bottom of the filter film clamp at the lowest layer in the feeding barrel in an inserting mode, and one end of the film clamp extends out of a notch in the side wall of the feeding barrel and is fixed on the transmission belt and follows the transmission belt.
3. The multi-membrane ambient air particulate sampler of claim 2, wherein: the feeding barrel is of a cylinder structure, and the lower end of the feeding barrel is connected with the air pump through an inflation inlet and an air pipeline; the membrane clamp support is horizontally arranged in the feeding barrel, and the membrane clamp support edge part is in airtight contact with the inner wall of the feeding barrel.
4. The multi-membrane ambient air particulate sampler of claim 1, wherein: horizontal sliding mechanism adopts lead screw formula horizontal slip table, including first motor, lead screw and screw, wherein first motor fixed mounting is in the mounting panel side, and one side on horizontal slip table is passed through mount pad and bearing fixed mounting at the lead screw both ends, and the one end of lead screw is connected with the output shaft of first motor, screw and filter membrane push pedal fixed connection, screw and lead screw meshing.
5. The multi-membrane ambient air particulate sampler of claim 1, wherein: horizontal sliding mechanism adopts pneumatic type horizontal slip table, including the rodless cylinder that has the slider, rodless cylinder installs on the mounting panel, and slider upper portion fixed mounting has the filter membrane tray, and the slider is horizontal migration under the effect of cylinder.
6. The multi-membrane ambient air particulate sampler of claim 1, wherein: the sampling clamping device comprises an upper clamping seat, a lower clamping seat and a clamping mechanism, which are respectively arranged at the upper side and the lower side of a sampling port of the cutter, wherein the upper clamping seat is connected with the bottom end of the upper side of the sampling port of the cutter, the lower clamping seat is connected with the upper end of the lower side of the sampling port of the cutter, the upper clamping seat and the lower clamping seat are in a funnel shape and are oppositely arranged, and the upper clamping seat and the lower clamping seat respectively correspond to the detection membrane positions of the filter membrane tray from the upper side and the lower side; the clamping mechanism is arranged at the bottom end of the lower clamping seat and comprises a hollow pipe communicated with an air pipeline, a rack is arranged outside the hollow pipe in the vertical direction and is meshed with a gear, and the gear is in transmission connection with an output shaft of a clamping motor; and a supporting bearing is arranged on one side of the outside of the hollow pipe, which is opposite to the rack.
7. The multi-membrane ambient air particulate sampler of claim 1, wherein: the upper part of the opening of the discharging barrel is provided with a pressing plate driven by a motor or an air cylinder, and the discharging barrel is internally provided with a discharging buffer plate capable of sliding with the inner wall of the discharging barrel in a friction manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183505.7U CN211627099U (en) | 2020-02-19 | 2020-02-19 | Multi-membrane ambient air particulate matter sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020183505.7U CN211627099U (en) | 2020-02-19 | 2020-02-19 | Multi-membrane ambient air particulate matter sampler |
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| CN211627099U true CN211627099U (en) | 2020-10-02 |
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| CN202020183505.7U Active CN211627099U (en) | 2020-02-19 | 2020-02-19 | Multi-membrane ambient air particulate matter sampler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427989A (en) * | 2021-12-27 | 2022-05-03 | 中国石油化工股份有限公司 | Full-automatic dust sampler and sampling method thereof |
| CN118392587A (en) * | 2024-04-24 | 2024-07-26 | 中国环境监测总站 | Automatic sample preparation device of ambient air particulate matter sampling filter membrane |
| CN118670812A (en) * | 2024-08-15 | 2024-09-20 | 丹东瑞特科技有限公司 | Multi-membrane ambient air particulate matter sampler |
-
2020
- 2020-02-19 CN CN202020183505.7U patent/CN211627099U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427989A (en) * | 2021-12-27 | 2022-05-03 | 中国石油化工股份有限公司 | Full-automatic dust sampler and sampling method thereof |
| CN118392587A (en) * | 2024-04-24 | 2024-07-26 | 中国环境监测总站 | Automatic sample preparation device of ambient air particulate matter sampling filter membrane |
| CN118392587B (en) * | 2024-04-24 | 2024-10-11 | 中国环境监测总站 | Automatic sample preparation device of ambient air particulate matter sampling filter membrane |
| CN118670812A (en) * | 2024-08-15 | 2024-09-20 | 丹东瑞特科技有限公司 | Multi-membrane ambient air particulate matter sampler |
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