CN203287229U - Ocean atmospheric particulate sampling device - Google Patents
Ocean atmospheric particulate sampling device Download PDFInfo
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- CN203287229U CN203287229U CN2013203363934U CN201320336393U CN203287229U CN 203287229 U CN203287229 U CN 203287229U CN 2013203363934 U CN2013203363934 U CN 2013203363934U CN 201320336393 U CN201320336393 U CN 201320336393U CN 203287229 U CN203287229 U CN 203287229U
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- filter membrane
- identification circuit
- membrane frame
- air pump
- sampling device
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Abstract
The utility model relates to an ocean atmospheric particulate sampling device. The ocean atmospheric particulate sampling device is characterized in that a wind direction and wind velocity transducer is connected with a microprocessor identification circuit. A filter membrane frame is used for fixing a sampling filter membrane and is fixed on a filter membrane frame base. The filter membrane frame base is communicated with a high-flow air pump through a pipeline, the high-flow air pump is connected with the microprocessor identification circuit, and an air outlet of the high-flow air pump is located at the bottom of the sampling device. A flow transducer of a precession vortex shedding flowmeter is connected with a connecting pipeline, and the signal output end of the precession vortex shedding flowmeter is connected with the microprocessor identification circuit. The microprocessor identification circuit is connected with a controller, and the controller controls a power switch of the high-flow air pump. Due to the fact that the ocean atmospheric particulate sampling device with the controllable wind direction and wind velocity is adopted, the effect to the sampled atmospheric particulates from shipboard pollutant discharge under the adverse condition of the wind direction and wind velocity is avoided when an ocean ship is underway.
Description
Technical field
The utility model relates to a kind of marine atmosphere particle sampling device.
Background technology
Along with to the going deep into of Global climate change and atmospheric aerosol research, the marine atmosphere particle has caused extensive concern.It is very important and necessary that the collection of ocean aerosol sample and analysis become, yet the ocean particle sampling is fully different from the land Atmospheric particulates method of sampling, the marine atmosphere particle sampling need to be walked boat by boat-carrying, sampling thief is installed and easily is subject to the impact that discharges pollutants on ship aboard ship, particularly in the disadvantageous situation of wind speed and direction, cause the particulate samples that gathers to be heavily polluted, and because ocean background atmosphere particle concentration is very low, just can't obtain the True composition of marine atmosphere particle in case produce to pollute, cause the sample that gathers invalid.
Summary of the invention
The purpose of this utility model, that a kind of marine atmosphere particle sampling device will be provided, the sampling that exists for existing marine atmosphere particle sampling device is subject to exhaust emission on ship, the unsettled shortcoming of sampling, provide a kind of wind direction and wind speed controllable sampling apparatus for atmospheric particulate matter, it can realize the pollution-free collection of Atmospheric particulates, avoided under the disadvantageous condition of wind speed and direction, very easily cause the impact of ambient contaminants on the Atmospheric particulates of collection, and can't obtain the problem of true aerosol sample.The employing micro treatment control system, improved the automaticity of equipment operation and the stability of operation, and is integrated by the height of system, greatly simplified structure and the sampling operation of sampling apparatus.
The utility model is achieved in that described marine atmosphere particle sampling device, it is characterized in that: wind direction and wind velocity sensor is connected with the microprocessor identification circuit; Be used for the filter membrane frame of fixed sample filter membrane, the filter membrane frame is fixed on filter membrane frame base; Filter membrane frame base is connected with large flow air pump through connecting line, and large flow air pump is connected with the microprocessor identification circuit, and large flow air pump gas outlet is positioned at the sampling apparatus bottom; The flow sensor of precession vortex shedding flow meter is connected with connecting line, the signal output part of precession vortex shedding flow meter is connected with the microprocessor identification circuit; The microprocessor identification circuit is connected with controller, and controller is controlled the power switch of large flow air pump.
Temperature sensor one end described in the utility model is connected with connecting line, the temperature sensor other end is connected with the microprocessor identification circuit; Pressure transducer one end is connected with connecting line, the pressure transducer other end is connected with the microprocessor identification circuit.
Filter membrane frame described in the utility model forms by upper and lower two, and the middle hollow out of filter membrane frame upper slice forms framework, and under the filter membrane frame, the sheet centre position is mesh, and upper and lower two clamp sampling membrane; The filter membrane frame is provided with the filter membrane lid.
The beneficial effects of the utility model are, adopt the controlled marine atmosphere particle sampling device of wind speed and direction, avoided the ocean boat-carrying to walk in the boat process, under the disadvantageous condition of wind speed and direction, the impact of pollutant emission on the Atmospheric particulates that gather on ship, and can't obtain the difficult problem of true aerosol sample.Adopt micro treatment control system, integrated by the height of system, greatly simplified structure and the operation of sampling apparatus.
Description of drawings
Fig. 1 is the front schematic view of marine atmosphere particle sampling device described in the utility model.
Fig. 2 is the schematic diagram that marine atmosphere particle sampling device described in the utility model is placed in fore.
Fig. 3 is sheet schematic diagram under filter membrane frame described in the utility model.(centre position is mesh)
Fig. 4 is filter membrane frame upper slice schematic diagram described in the utility model.(middle hollow out formation framework)
In figure: 1. filter membrane lid, 2. the filter membrane frame, 3. connecting line, 4. the precession vortex shedding flow meter, 5. large flow air pump, 6. wind direction and wind velocity sensor, 7. the microprocessor identification circuit, 8. controller, 9. temperature sensor, 10. pressure transducer, 11. gas vents, 12. filter membrane frame bases, 13. sampling apparatus structure stands, 14. hull top layer decks be by hollow outs, 17. mesh in the middle of the position of fore, 15. chimneys, 16..
Embodiment
Marine atmosphere particle sampling device described in the utility model and the method for sampling thereof, as shown in Figure 1,2,3, 4, described marine atmosphere particle sampling device, wind direction and wind velocity sensor 6 is connected with microprocessor identification circuit 7; Be used for the filter membrane frame 2 of fixed sample filter membrane, filter membrane frame 2 is fixed on filter membrane frame base 12; Filter membrane frame base 12 is connected with large flow air pump 5 through connecting line 3, and large flow air pump 5 is connected with microprocessor identification circuit 7, and the large set gas vent 11 of flow air pump 5 is positioned at the sampling apparatus bottom; Controller 8 is connected with microprocessor identification circuit 7, and controller 8 is controlled the power switch of large flow air pump 5.
The flow sensor of precession vortex shedding flow meter 4 described in the utility model is connected with connecting line 3, the signal output part of precession vortex shedding flow meter 4 is connected with microprocessor identification circuit 7; Temperature sensor 9 one ends are connected with connecting line 3, temperature sensor 9 other ends are connected with microprocessor identification circuit 7; Pressure transducer 10 1 ends are connected with connecting line 3, pressure transducer 10 other ends are connected with microprocessor identification circuit 7.
Sampling membrane is fixed on the filter membrane frame, sample gas is by being placed on the sampling membrane of filter membrane frame, particle in atmosphere is collected on sampling membrane, and gas enters large flow air pump through connecting line, and from the large flow air pump gas outlet that is positioned at the sampling apparatus bottom, discharges.According to wind direction and the wind speed set, in the scope that the wind direction that records is being set and the wind speed that records greater than or equal to the air speed value of setting, controller is connected the power supply of large flow air pump, starts large flow air pump, sampling apparatus brings into operation; When the wind direction that records and wind speed have one not meet and set while requiring, controller disconnects the power supply of large flow air pump, large flow air pump quits work, the time point that microprocessor identification circuit record stops, and stopping collecting temperature, pressure and the flow information of sample gas, this moment, sampling apparatus was in wait state.
Illustrate that below in conjunction with Fig. 2 the utility model walks boat at boat-carrying and gather an embodiment of marine atmosphere particle.In figure, the direction of arrow is wind direction.Sampling apparatus is fixed in the position 14 of hull top layer deck by fore, by microprocessor identification circuit 7, sampling wind direction and wind friction velocity is set, while for boat-carrying, walking to navigate, wind direction can be set to the direction positive and negative 90 facing to fore
o, namely set the angle of wind direction between 0 ° to 180 °,, from the pollution of the boats and ships such as chimney itself,, if because wind direction is the direction along fore, from the pollutant of chimney, can affect sampled result while avoiding ship's navigation.Minimum sampling wind speed is 1.5m/s, if the setting of sampling wind speed lower than 1.5m/s, the diffusion due to pollutant, easily impact sampling.Open filter membrane lid 1, sampling membrane is positioned over above filter membrane frame 2, and filter membrane frame 2 is fixed in filter membrane frame base 12, cover filter membrane lid 1.Connect the sampling apparatus power supply, sampling apparatus enters duty, and at first microprocessor identification circuit 7 is collected and come from wind direction and the wind velocity signal value that wind direction and wind velocity sensor 6 records, and the wind direction and wind velocity signal value and the setting value that record are compared.When the wind direction that records is the direction facing to fore, drift angle is positive and negative 90
oIn, and the wind speed that records is during more than or equal to 1.5m/s, controller 8 is connected the power supply of large flow air pump 5, start large flow air pump 5, microprocessor identification circuit 7 leaves and cheats the record accumulative total sampling time, and start integrated flow, automatically by temperature sensor 9 and pressure transducer 10 compensation, revise sampling flows, setting under the wind direction and wind velocity condition of work, on ship, the movable pollutant that produces of the pollutant of chimney 15 dischargings or hull, toward stern direction diffusion transport, can not pollute sample collection.
Change to meet and set while requiring when recording wind direction, while as wind, by stern, toward the fore direction, being blown, the wind speed no matter record this moment is much, and controller 8 cuts off the power supply of large flow air pumps 5, and large flow air pump 5 is out of service, and sampling apparatus enters waiting status.In the disadvantageous situation of wind direction, the pollutant of chimney 15 discharging can be delivered to sampling location, due to this moment sampling thief stopped sampling, therefore can not pollute collected specimens.
During lower than 1.5m/s, this moment, controller 8 cut off the power supply of large flow air pumps 5 regardless of wind direction when the wind speed that records, and large flow air pump 5 is out of service, and sampling apparatus enters waiting status.When wind speed was little, on ship, pollutant still, easily by diffusion, was transferred to sampling location, if still continue sampling this moment, can pollute collected specimens.The present invention can avoid the sampling that unfavorable wind speed causes to pollute.
Also indicate sampling apparatus structure stand 13, hull top layer deck position 14, the chimney 15 by fore in Fig. 2.
In sampling apparatus of the present utility model, the microprocessor identification circuit can record real-time sampling flow, accumulative total sampling flow and sampling time, and record simultaneously the temperature and pressure value of sample gas, the microprocessor identification circuit is repaid the correction sampling flow by the value complement of temperature sensor and pressure transducer automatically, guarantee in the larger situation of variation of ambient temperature, accurately to obtain more accurate sample gas volume in sampling process.The connection of many sampling apparatuses of RS485 Interface realization be can pass through according to actual needs, and with far-end computer, data transmission and remote monitoring realized.Realized pollution-free, the automatic collection of marine atmosphere particle.
Sampling apparatus described in the utility model is large traffic sampling device, can effectively capture the particle in atmosphere, and sampling flow can reach 150m
3/ h.When selecting particle layering harvester, application impact dynamics principle divides the 5-7 layer to capture different grains through particle.
Sampling apparatus described in the utility model adopts the precession vortex shedding flow meter, flow measurement machinery-free moving part, and anticorrosive and vibrations, have power failure memory function.
The filter membrane lid of sampling apparatus described in the utility model adopts turning mode to be fixed on filter membrane frame base, and filter membrane lid and filter membrane frame adopt the Teflon material to make, and avoid the filter membrane frame to pollute sampling.The sampling apparatus structure stand adopts special surface to process aluminum alloy materials and makes, and system height is integrated, has that intensity is high, wind resistance is strong, maximum wind velocity can reach 60m/s, and corrosion resistivity is strong, can at sea move for a long time and not corrode, low temperature resistant, minimum operating temperature can reach subzero 40 ℃.
The utility model is not only applicable to the marine atmosphere particle sampling, is applicable to land Atmospheric particulates sampling simultaneously yet.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable variation or modification of doing, all should be considered as not breaking away from patent category of the present utility model.
Claims (3)
1. marine atmosphere particle sampling device, it is characterized in that: wind direction and wind velocity sensor is connected with the microprocessor identification circuit; Be used for the filter membrane frame of fixed sample filter membrane, the filter membrane frame is fixed on filter membrane frame base; Filter membrane frame base is connected with large flow air pump through connecting line, and large flow air pump is connected with the microprocessor identification circuit, and large flow air pump gas outlet is positioned at the sampling apparatus bottom; The flow sensor of precession vortex shedding flow meter is connected with connecting line, the signal output part of precession vortex shedding flow meter is connected with the microprocessor identification circuit; The microprocessor identification circuit is connected with controller, and controller is controlled the power switch of large flow air pump.
2. marine atmosphere particle sampling device according to claim 1, it is characterized in that: temperature sensor one end is connected with connecting line, the temperature sensor other end is connected with the microprocessor identification circuit; Pressure transducer one end is connected with connecting line, the pressure transducer other end is connected with the microprocessor identification circuit.
3. marine atmosphere particle sampling device according to claim 1, it is characterized in that: described filter membrane frame forms by upper and lower two, and the middle hollow out of filter membrane frame upper slice forms framework, and under the filter membrane frame, the sheet centre position is mesh, and upper and lower two clamp sampling membranes; The filter membrane frame is provided with the filter membrane lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363934U CN203287229U (en) | 2013-06-13 | 2013-06-13 | Ocean atmospheric particulate sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203363934U CN203287229U (en) | 2013-06-13 | 2013-06-13 | Ocean atmospheric particulate sampling device |
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|---|---|
| CN203287229U true CN203287229U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203363934U Withdrawn - After Issue CN203287229U (en) | 2013-06-13 | 2013-06-13 | Ocean atmospheric particulate sampling device |
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| CN (1) | CN203287229U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278356A (en) * | 2013-06-13 | 2013-09-04 | 国家海洋局第三海洋研究所 | Ocean atmospheric particulate sampling device and sampling method thereof |
| CN105181399A (en) * | 2015-09-30 | 2015-12-23 | 国家海洋局第三海洋研究所 | Device for collecting marine aerosol on maritime buoy carrier and sampling method adopting device |
| CN108279144A (en) * | 2017-12-22 | 2018-07-13 | 国家海洋局第海洋研究所 | Full-automatic sea gas sampling platform system and the scientific surveying ship with the system |
| CN112924245A (en) * | 2021-01-28 | 2021-06-08 | 中国科学院地质与地球物理研究所 | Near-on space aerosol's collection device |
-
2013
- 2013-06-13 CN CN2013203363934U patent/CN203287229U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278356A (en) * | 2013-06-13 | 2013-09-04 | 国家海洋局第三海洋研究所 | Ocean atmospheric particulate sampling device and sampling method thereof |
| CN103278356B (en) * | 2013-06-13 | 2015-06-24 | 国家海洋局第三海洋研究所 | Ocean atmospheric particulate sampling device and sampling method thereof |
| CN105181399A (en) * | 2015-09-30 | 2015-12-23 | 国家海洋局第三海洋研究所 | Device for collecting marine aerosol on maritime buoy carrier and sampling method adopting device |
| CN108279144A (en) * | 2017-12-22 | 2018-07-13 | 国家海洋局第海洋研究所 | Full-automatic sea gas sampling platform system and the scientific surveying ship with the system |
| CN108279144B (en) * | 2017-12-22 | 2020-01-17 | 自然资源部第一海洋研究所 | Full-automatic sea gas sampling platform system and scientific investigation ship with same |
| CN112924245A (en) * | 2021-01-28 | 2021-06-08 | 中国科学院地质与地球物理研究所 | Near-on space aerosol's collection device |
| CN112924245B (en) * | 2021-01-28 | 2022-02-01 | 中国科学院地质与地球物理研究所 | Near-on space aerosol's collection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |