CN105784424B - One planting sand source region dry and wet depositing dust automatic sampler - Google Patents
One planting sand source region dry and wet depositing dust automatic sampler Download PDFInfo
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- CN105784424B CN105784424B CN201610324106.6A CN201610324106A CN105784424B CN 105784424 B CN105784424 B CN 105784424B CN 201610324106 A CN201610324106 A CN 201610324106A CN 105784424 B CN105784424 B CN 105784424B
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/20—Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
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Abstract
The invention discloses a planting sand source region dry and wet depositing dust automatic samplers, including pedestal, the upper end of pedestal is fixed with dry deposition sampling tank and wet deposition sampling tank, solar panel is additionally provided on pedestal, accumulator and precipitation sensor, solar panel is electrically connected with accumulator, accumulator is electrically connected with precipitation sensor (sleet sensor), dry deposition sampling tank and wet deposition sampling tank are arranged side by side, their entrance is located in same level, the cover board that can be rotated around the shaft in the horizontal plane is equipped in its inlet, the shaft of cover board couples with the motor on pedestal, motor, accumulator and precipitation sensor are electrically connected respectively with PLC controller.The present invention can be used for a long time in husky source region, at low cost, easy care, it is big, inconvenient to carry to solve dry and wet dustfall sampler volume in the prior art, the problem of automatic control equipment power consumption is big still can effectively use in drought, the adverse circumstances of more strong wind weathers.
Description
Technical field
The present invention relates to enviromental monitoring equipment fields, more particularly to a planting sand source region dry and wet depositing dust automatic sampler.
Background technology
Dried wet deposition object is important monitoring project as defined in China's radiation environmental monitoring regulation and standard in air, and (ring is sent out
[2012] No. 16), sediment acquisition in field is to realize radiometric committed step.Wherein atmospheric falling dust refers in air ring
Under the conditions of border, by particulate matter of the gravity natural subsidence in dust cylinder.Dry deposition refer to be suspended in the various particles in air with
The process of its own end speed sedimentation；Wet deposition refers to be suspended in various particles in air due to precipitation washes away and settles mistake
Journey.Current dried wet deposition sampler mainly includes precipitation inductor, precipitation collection device and depositing dust collection device, control system
Wait components.
Currently used dried wet deposition sampler includes upper harvester, lower harvester, fluid level control device etc., may be used also
To include water tank, heating unit and heat preservation pipe network etc., make precipitation and depositing dust collecting unit collection using upper and lower harvester and valve
It is integrated, depositing dust is acquired using wet method, and periodically depositing dust sample is cleared up using rotating sprinklers and depositing dust brush, using floating
Ball liquid level meter senses the liquid level in lower harvester, the judgement as precipitation condition.Dried wet deposition is not easy to separate acquisition,
Do not fully take into account depositing dust is influenced by strong wind factor, in addition, wet method acquires depositing dust, if for the evaporation capacity big area time
Long ethylene glycol and the distilled water of not sampling can evaporate dry, and ethylene glycol can generate shadow for the monitoring of chemical index certain in depositing dust
It rings.
In addition, in the prior art, its structure of common field precipitation dustfall sampler also includes acquisition bucket, acquisition barrel side
Frame, slide plate, device of solar generating, solar water heater, precipitation sensing device, control device and precipitation storage device.Acquisition
Bucket middle part has depositing dust collection plate to be divide into upper part and lower part bucket is acquired, and acquisition bucket bung hole has a slide plate, when precipitation, snowfall, control dress
It puts and controls slide plate closing acquisition bung hole, the snow-broth after rainwater or thawing passes through slide plate guide face and flows into precipitation storage device, drops
When water, snowfall stop, control device control slide plate opens acquisition bung hole, and depositing dust is fallen in depositing dust collection plate.And in cold drought-hit area winter
During (- 40 DEG C) snowfall, it cannot be used, while precipitation sensor if device of solar generating does not take Insulation to be likely to freezing
Low temperature tolerance ability is also poor.
Since there is husky source region special geographical location and geographical environment the climate characteristic of this area to be caused to be mainly shown as：
Spring temperature rises sharply, drought, more strong wind weathers；Summer very brief warm, precipitation are concentrated；Autumn air temperature falls sharply, and frost in autumn comes
It is early；Winter very long severe cold, more Cold Wave Weathers.Husky source region Sand Flow Transportation shifting amount is big, and sand and sandstorm weather frequently occur, rainfall phase
It is big to less and evaporation capacity, it is influenced by local climate feature and environmental characteristic, dried wet deposition has significantly Regional Distribution Characteristics.
Therefore, design is a kind of is suitable for what is used under the sand source region special environment condition of North China, and collecting effect is good, highly reliable, operation
Simple and at low cost, easy care dried wet deposition sampler is necessary.
Invention content
The present invention provides a kind of right in the long-time service of husky source region, at low cost, easy care disclosure satisfy that environmental area scientific research
The dry and wet depositing dust automatic sampler of dried wet deposition sampling request, can solve dry and wet dustfall sampler body in the prior art
Product is big, inconvenient to carry, and automatic control equipment power consumption is big, and does not consider sampler in drought, the severe ring of more strong wind weathers
The problem of still needing to effectively use in border.
The technical solution adopted in the present invention is：One planting sand source region dry and wet depositing dust automatic sampler, including pedestal, the base
Seat upper end be fixed with dry deposition sampling tank and wet deposition sampling tank, be additionally provided on pedestal solar panel, accumulator and
Precipitation sensor, the solar panel are electrically connected with accumulator, and the accumulator is additionally provided with supplies electricity to its charging by city
Charge port；The dry deposition sampling tank and wet deposition sampling tank are arranged side by side, their entrance is located in same level, at it
Inlet is equipped with the cover board that can be rotated in the horizontal plane around its shaft, and the shaft of the cover board joins with the motor shaft on pedestal
It connects, the motor is electrically connected with accumulator, and motor, accumulator and precipitation sensor are electrically connected respectively with PLC controller.
Preferably, the solar panel is set on by the side stand of bar shaped on the side of pedestal, the solar-electricity
The upper end of pond plate and being hinged at together for pedestal, the lower end of solar panel and side stand are hinged, the side
Stent upper edge side stand is longitudinally equipped with multiple threaded holes, while also is provided on pedestal and the corresponding screw thread of screw hole on side stand
Hole is bolted between side stand and pedestal side；It is provided on the solar panel and PLC controller and storage
Snow brush is scraped in battery electrical connection.
Preferably, the accumulator is silica-gel accumulator.
Preferably, the lower surface of the cover board rotation end opposite with its shaft is equipped with sliding block, dry deposition sampling
The windproof card slot of arc that the sliding block is matched when cover board rotates, the sliding block card are equipped between bucket and wet deposition sampling tank bung hole
It is connected in the windproof card slot, and is slidably connected with windproof card slot；The windproof card slot is equipped with the groove that multiple tracks intersects with it
Shape purge passage.
Preferably, the wet deposition sampling tank includes staving and the sampling bottle being set in staving, the sampling bottle
Bottleneck has a funnel-form lid being placed on bowl opening by diversion pipe connection, the funnel-form lid it is concave upright；It is described wet
The outer surface of sedimentation sampling tank is also enclosed with the heating unit being electrically connected with accumulator and PLC controller.
Preferably, the heating unit includes coiling in the heating tube of wet deposition sampling tank outer surface and is wrapped in described
With accumulator by the way that switch one is controlled to be electrically connected, the control switchs one and PLC for thermal insulation material outside heating tube, wherein heating tube
Controller is electrically connected；The heating unit further includes the temperature sensor one being electrically connected with PLC controller.
Preferably, the entrance periphery of the dry deposition sampling tank be equipped with it is multiple avoid rainwater accumulate and flow into dry deposition sampling
Bucket leads rain hole.
Preferably, the electrostatic dust absorption device for improving dry depositing dust collecting amount, the electrostatic are additionally provided in the dry deposition sampling tank
Dust exhaust apparatus is ramp type electrostatic dust absorption device, including one group of transversely arranged bar shaped dust-catching board with same tilt degree.
Preferably, the surface of the precipitation sensor is equipped with the attemperator being electrically connected with accumulator and PLC controller；
The attemperator includes coiling in the heating wire of precipitation sensor outer surface and is wrapped in precipitation sensor and heating wire
With accumulator by the way that switch two is controlled to be electrically connected, control switch two is electrically connected with PLC controller for outer thermal insulation material, wherein heating wire
It connects；The attemperator further includes the temperature sensor two being electrically connected with PLC controller.
In the embodiment of the present invention, a planting sand source region dry and wet depositing dust automatic sampler is provided, has following advantage：
1st, apparatus of the present invention are cheap, and power consumption is small and easy manufacture, later maintenance are simply at low cost；
2nd, using solar energy and the double power mode power supplies of alternating current, guarantee property is high, is not limited by place to use；
3rd, electrostatic dust absorption device can effectively improve the collecting amount of dry depositing dust；
4th, equipment adds windproof card slot using rotatable cover board, occupancy itself is small, light-weight, can preferably resist wind-force
The influence of effect；
5th, each component part is using detachable, easy to carry and installation；
6th, it is suitable for using under the environmental conditions such as the windy low temperature of husky source region.
Description of the drawings
Fig. 1 is the overall structure diagram of planting sand source region dry and wet depositing dust automatic sampler provided by the invention；
Fig. 2 is wet deposition sampling tank internal structure schematic diagram；
Fig. 3 is to rotate the cover structure diagram；
Fig. 4 is Wind-proof fastener slot structure schematic diagram；
Fig. 5 is dry deposition bucket diagrammatic cross-section；
Fig. 6 is PLC controller work flow diagram；
Fig. 7 is the overall electrical connection block diagram of the present invention.
Reference sign：
1st, dry deposition sampling tank；2nd, wet deposition sampling tank；3rd, precipitation sensor；4th, motor；5th, PLC controller；6th, electric power storage
Pond；7th, diversion pipe；8th, solar panel；9th, electrostatic dust absorption device；10th, funnel-form lid；11st, sampling bottle；12nd, cover board；13、
Pedestal；14th, side stand；15th, windproof card slot；16th, purge passage；9-1, bar shaped dust-catching board；12-1, shaft.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain be not restricted by specific implementation.
As shown in Figure 1-Figure 3, the present invention provides a planting sand source region dry and wet depositing dust automatic sampler, including pedestal 13, institute
The upper end for stating pedestal 13 is fixed with dry deposition sampling tank 1 and wet deposition sampling tank 2, be additionally provided on pedestal 13 solar panel 8,
Accumulator 6, PLC controller 5 and precipitation sensor 3；The solar panel 8 is electrically connected with accumulator 6, the accumulator
6 are additionally provided with the charge port that its charging is supplied electricity to by city, during without sunlight, photovoltaic charged state after the switching circuit switching of auxiliary,
By charger, the commercial power interface of accumulator is electrically connected with city can carry out it is commercial power charged, wherein being filled in photovoltaic charged and alternating current
The switching circuit switched between electricity is prior art circuits, and details are not described herein again；The dry deposition sampling tank 1 and wet deposition
Sampling tank 2 is arranged side by side, their entrance is located in same level, and being equipped in its inlet in the horizontal plane can be around its shaft
The cover board 12 of rotation, the shaft of the cover board 12 couple with 4 axis of motor on pedestal 13, the motor 4 and 6 electricity of accumulator
Connection, motor 4, accumulator 6 and precipitation sensor 3 are electrically connected respectively with PLC controller 5.The PLC controller 5 controls whole
A system coordination action, the signal that PLC controller is fed back according to precipitation sensor gives motor driver information, so as to drive
Motor rotates, and cover board is driven to rotate, and closes dry deposition sampling tank, opens wet deposition sampling tank.PLC controller in the present embodiment
PLC type number be specially OMRON CP1E-N20DR-D；Fig. 6 is PLC controller work flow diagram.Wherein, PLC is (programmable to patrol
Collect controller) it is a kind of using a kind of programmable memory, for its internally stored program, perform logical operation, sequence control
The user oriented instructions such as system, timing, counting and arithmetical operation, and it is various types of to pass through digital or analog pattern input/output control
The machinery or production process of type.The present invention is not in addition to being that bolt connects between dry deposition sampling tank 1, wet deposition sampling tank 2 and pedestal
Connect outer, remaining each section of equipment is mainly connected by screw bolts, each section of equipment can realizing self disassembling assembling, it is easy to carry.
Further, as shown in Figure 1, the solar panel 8 is set on by side stand 14 on the side of pedestal 13, institute
The upper end of solar panel 8 and being hinged at together for pedestal 13 are stated, lower end and the side stand 14 of solar panel 8 are cut with scissors
It is connected together, the 14 upper edge side stand of side stand is longitudinally equipped with multiple threaded holes, while also is provided on pedestal 13 and side stand
On the corresponding threaded hole of screw hole, side stand 14 and pedestal are bolted between 13 side；It will be different on side stand
Threaded hole is connected with the threaded hole on pedestal, then the different angle setting of side stand can be achieved, so as to also achieve too
The different angle setting of positive energy solar panel；Therefore, the side stand where the solar panel 8 can be according to sampling location daylight
The actual conditions manual adjustment angle of inclination of irradiation.The quantity of solar panel 8 is specially 2, the solar panel 8
On be provided with and scrape snow brush device with what PLC controller 5 and accumulator 6 were electrically connected.It can be controlled by PLC controller and scrape snow brush
Clear up the snowfall on solar panel or dust.PLC controller is responsible for the keying of all switches in automated procedure, by specified
It is required that action.
Further, the accumulator is silica-gel accumulator.
Further, the lower surface of the cover board 12 rotation end opposite with its shaft is equipped with sliding block, the dry deposition
The windproof card slot 15 of arc that the sliding block is matched when cover board 12 rotates is equipped between 2 bung hole of sampling tank 1 and wet deposition sampling tank,
The sliding block is connected in the windproof card slot 15, and is slidably connected with windproof card slot 15；The windproof card slot 15 is equipped with more
The groove type purge passage 16 that road intersects with it.The structure of windproof card slot is trade shape, while coordinates worm-gear speed reducer.
Attached drawing 4 is specifically shown in, windproof card slot is the Track desigh moved along cover board, prevents cover board from deviateing or being thrown by strong wind, and
The purge passage groove that card slot both sides are set at a certain distance can be such that dust and sand grains in the windproof card slot of arc is slided in sliding block
Or purge passage is sent into the case of wind, and then be blown to four winds, purge passage extends far enough, so that this kind of sediment
Far from windproof card slot, prevent dust storm from entering card slot and stop the rotation of cover board.Motor with cover board axis connection is specially stepping electricity
Machine, stepper motor are capable of providing the locking function of cover board after shutting down.
Further, the wet deposition sampling tank 2 includes staving and the sampling bottle 11 being set in staving, described to adopt
The bottleneck of sample bottle 11 has a funnel-form lid 10 being placed on bowl opening by the connection of diversion pipe 7, the funnel-form lid 10 it is recessed
Upwardly；The funnel-form lid 10 is made of stainless steel；The outer surface of the wet deposition sampling tank 2 is also enclosed with and accumulator
6 and PLC controller 5 be electrically connected heating unit.
Further, the heating unit includes coiling in the heating tube of 2 outer surface of wet deposition sampling tank and is wrapped in
With accumulator 6 by the way that switch one is controlled to be electrically connected, the control switchs one for thermal insulation material outside the heating tube, wherein heating tube
It is electrically connected with PLC controller；The heating unit further includes the temperature sensor one being electrically connected with PLC controller 5.When temperature passes
When sensor one detects that temperature is less than setting value, PLC controller receives the signal value, so as to start control switch one to heating
Pipe heats, and makes the temperature rise in wet deposition sampling tank to the temperature value of requirement, when the temperature value in bucket rises to set temperature
When, PLC controller receives the temperature data that sensor one is sent, and so as to which closing control switchs one, stops heating, works as temperature
When degree is less than setting value, it is again started up heating devices heat.So repeatedly, the work that constant temperature is carried out to wet deposition sampling tank has been reached
With.
Further, the entrance periphery of the dry deposition sampling tank 1 be equipped with it is multiple avoid rainwater accumulate and flow into dry deposition
Sampling tank 1 leads rain hole, and it is an aperture led to outside bucket for being mounted on dry deposition sampling tank bung hole periphery to lead rain hole, prevents bucket edge
Neighbouring rainwater enters in bucket.
Further, the electrostatic dust absorption device 9 for improving dry depositing dust collecting amount is additionally provided in the dry deposition sampling tank 1, it should
Electrostatic dust absorption device 9 is ramp type electrostatic dust absorption device 9, is inhaled including one group of transversely arranged bar shaped with same tilt degree
Dirt plate 9-1.Arrangement mode is similar to shutter shape, referring specifically to Fig. 5.
Further, the precipitation sensor 3, i.e. sleet sensor, can detect whether rainfall or snowfall, precipitation pass
The surface of sensor 3 is equipped with the attemperator being electrically connected with accumulator 6 and PLC controller 5；The attemperator include coiling in
The heating wire of 3 outer surface of precipitation sensor and the thermal insulation material being wrapped in outside precipitation sensor 3 and heating wire, wherein electric heating
With accumulator 6 by the way that switch two is controlled to be electrically connected, control switch two is electrically connected silk with PLC controller 5；The attemperator also wraps
Include the temperature sensor two being electrically connected with PLC controller 5.When temperature sensor two detects that temperature is less than setting value, PLC controls
Device processed receives the temperature signal value that sensor two transmits, and so as to start control switch two to electric-heating-wire-heating, passes precipitation
The temperature rise of sensor is to the temperature value of requirement, and when temperature value rises to set temperature, PLC controller receives sensor two
The temperature data sent so as to which closing control switchs two, stops heating, when temperature is less than setting value, is again started up protecting
Warm device heating.So repeatedly, haved the function that keep the temperature precipitation sensor.
Fig. 6 is PLC controller work flow diagram；Fig. 7 is the overall electrical connection block diagram of the present invention.
In conclusion planting sand source region dry and wet depositing dust automatic sampler provided by the present invention mainly includes advantages below：
1st, the design of a cover board is shared using two dried wet deposition sampling tanks, cover board is light-weight, and rotation angle is small, and logical
Stepper motor is crossed with locking function, the setting of windproof card slot is fully taken into account in cover board rotary course to be interfered by strong wind.
The 2nd, sampling bottle is set in wet deposition sampling tank, top sets the stainless steel cover of a funnel shaped, centre connection one
Root diversion pipe, device sealing is fine, avoids the big influence of evaporation capacity when rainwater is collected in arid area；Device peripheral hardware is protected during snowfall
Temperature, to internal heating cycle.
3rd, it is equipped with around dry deposition sampling tank top pail wall and leads rain hole, residual rainwater around cover board is avoided to enter collection container
Influence the collection of dry deposition sample；One group of ramp type electrostatic dust absorption device is inside set, avoids coming into the depositing dust " secondary of container
Dirt ", and escape from container.
4th, automatic control system uses dual power mode, can use solar recharging or with alternating current, facilitate out of office
Outer use.
5th, it is controlled using PLC, can relevant parameter be changed according to user demand, adjust actuation time；Precipitation sensor
Surface adds attemperator, ensures to use under cold cryogenic conditions.
6th, solar panels can adjust angle of inclination according to the actual conditions of sampling location solar radiation；Simultaneously on solar panels
It is provided with and scrapes snow brush, avoid the influence to solar energy equipment efficiency after Winter Snow.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (8)
1. a planting sand source region dry and wet depositing dust automatic sampler, including pedestal (13), the upper end of the pedestal (13) is fixed with dry sink
Down-sampled bucket (1) and wet deposition sampling tank (2) are additionally provided with solar panel (8), accumulator (6) and drop on pedestal (13)
Water sensor (3), which is characterized in that the solar panel (8) is electrically connected with accumulator (6), and the accumulator (6) also sets
There is the charge port that its charging is supplied electricity to by city；The dry deposition sampling tank (1) and wet deposition sampling tank (2) are arranged side by side, they
Entrance be located in same level, its inlet be equipped in the horizontal plane can around its shaft rotate cover board (12), it is described
The shaft of cover board (12) couples with motor (4) axis on pedestal (13), and the motor (4) is electrically connected with accumulator (6), electricity
Machine (4), accumulator (6) and precipitation sensor (3) are electrically connected respectively with PLC controller (5)；
The cover board (12) it is opposite with its shaft rotation end lower surface be equipped with sliding block, the dry deposition sampling tank (1) and
The windproof card slot of arc (15) that the sliding block is matched when cover board (12) rotates, institute are equipped between wet deposition sampling tank (2) bung hole
Sliding block is stated to be connected in the windproof card slot (15), and be slidably connected with windproof card slot (15)；It is set on the windproof card slot (15)
There is the groove type purge passage (16) that multiple tracks intersects with it.
2. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the solar cell
Plate (8) by the side stand (14) of bar shaped on the side of pedestal (13), the upper end of the solar panel (8) and pedestal
(13) be hinged at together, the lower end of solar panel (8) and side stand (14) are hinged, the side stand
(14) upper edge side stand is longitudinally equipped with multiple threaded holes, while also is provided on pedestal (13) corresponding with the screw hole on side stand
Threaded hole is bolted between side stand (14) and pedestal (13) side；Be provided on the solar panel (8) with
PLC controller (5) and the snow of scraping of accumulator (6) electrical connection are brushed.
3. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the accumulator is silicon
Glue accumulator.
4. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the wet deposition sampling
Bucket (2) includes staving and the sampling bottle being set in staving (11), and the bottleneck of the sampling bottle (11) passes through diversion pipe (7)
Connection has the funnel-form lid (10) that is placed on bowl opening, the funnel-form lid (10) it is concave upright；The wet deposition is adopted
The outer surface of sample bucket (2) is also enclosed with the heating unit being electrically connected with accumulator (6) and PLC controller (5).
5. planting sand source region dry and wet depositing dust automatic sampler as claimed in claim 4, which is characterized in that the heating unit packet
Coiling is included in the heating tube of wet deposition sampling tank (2) outer surface and the thermal insulation material being wrapped in outside the heating tube, wherein adding
With accumulator (6) by the way that switch one is controlled to be electrically connected, the control switch one is electrically connected heat pipe with PLC controller (5)；It is described to add
Thermal further includes the temperature sensor one being electrically connected with PLC controller (5).
6. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the dry deposition sampling
The entrance periphery of bucket (1), which is equipped with, multiple avoids rainwater from accumulating and flow into dry deposition sampling tank (1) leads rain hole.
7. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the dry deposition sampling
The electrostatic dust absorption device (9) for improving dry depositing dust collecting amount is additionally provided in bucket (1), which is ramp type electrostatic
Dust exhaust apparatus (9), including one group of transversely arranged bar shaped dust-catching board (17) with same tilt degree.
8. planting sand source region dry and wet depositing dust automatic sampler as described in claim 1, which is characterized in that the precipitation sensor
(3) surface is equipped with the attemperator being electrically connected with accumulator (6) and PLC controller (5)；The attemperator includes coiling
Heating wire and the thermal insulation material that is wrapped in outside precipitation sensor (3) and heating wire in precipitation sensor (3) outer surface,
With accumulator (6) by the way that switch two is controlled to be electrically connected, control switch two is electrically connected middle heating wire with PLC controller (5)；The guarantor
Warm device further includes the temperature sensor two being electrically connected with PLC controller (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610324106.6A CN105784424B (en) | 2016-05-16 | 2016-05-16 | One planting sand source region dry and wet depositing dust automatic sampler |
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| CN201610324106.6A CN105784424B (en) | 2016-05-16 | 2016-05-16 | One planting sand source region dry and wet depositing dust automatic sampler |
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| CN105784424B true CN105784424B (en) | 2018-06-08 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442016B (en) * | 2016-09-06 | 2023-12-01 | 中国地质大学（武汉） | All-weather large-sample-amount automatic dust fall collector |
| CN108469359A (en) * | 2018-03-13 | 2018-08-31 | 四川农业大学 | A kind of atmospheric sedimentation harvester of multi-mode |
| CN109459279A (en) * | 2018-11-26 | 2019-03-12 | 核工业北京地质研究院 | A kind of precipitation automatic collecting device for arid-desert areas |
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| CN104006990A (en) * | 2014-06-13 | 2014-08-27 | 张怀成 | Road accumulated dust sampling device |
| CN104713748A (en) * | 2015-03-31 | 2015-06-17 | 农业部南京农业机械化研究所 | Fog-drop sampling device |
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| CN105784424A (en) | 2016-07-20 |
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